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Optical Windows

CVD materials

Optical Windows

Item Number : cvdm-08

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Introduction

Optical windows are an essential component of many scientific and industrial applications. They are used to transmit light from one place to another, and they can be made from a variety of materials, including glass, plastic, and diamond. Diamond optical windows are particularly useful in applications where high power, high temperature, or extreme harsh conditions are present. They offer exceptional broad-band infrared transparency, excellent thermal conductivity, high fracture strength, and extremely low thermal expansion coefficient.

Optical Windows

Optical Windows

Thickness:1100μm

Thickness:1100μm

Optical grade CVD diamond,0.4mm thick

Applications

Diamond optical windows are widely used in various industries due to their exceptional properties, including broad-band optical transparency, high thermal conductivity, low scattering, and high fracture strength. Here are the main application areas of diamond optical windows:

  • High-power IR laser windows: Diamond windows are ideal for high-power IR laser systems due to their ability to withstand high laser fluences and their low thermal expansion coefficient, which minimizes distortion.

  • High-power microwave windows: Diamond windows are also used in high-power microwave applications, such as radar systems and electron cyclotron resonance ion sources, due to their ability to handle high power densities and their low loss characteristics.

  • Extreme harsh working conditions: Diamond windows are suitable for use in extreme harsh working conditions, such as high temperatures, corrosive environments, and high radiation environments, due to their exceptional durability and chemical inertness.

  • Optical applications: Diamond windows are used in a wide range of optical applications, including eye glasses, self-cleaning tinted windows, and optical sensors, due to their high transparency and low scattering properties.

  • Photovoltaic applications: Diamond windows are also used in photovoltaic applications for solar energy, as they exhibit high transmission of light and low absorption losses.

  • Device applications: Diamond windows are used in various device applications, such as computer chips, displays, and communications, due to their ability to withstand harsh environments and their high thermal conductivity.

  • Functional or decorative finishes: Diamond windows are used in various functional or decorative finishes, such as durable hard protective films, brilliant gold, platinum, or chrome plating, due to their exceptional hardness and chemical inertness.

Features

  • Exceptional Broad Band Infrared Transparency: Diamond optical windows exhibit exceptional broad-band infrared transparency, making them suitable for various applications, including high-power IR laser windows and high-power microwave windows.

  • Excellent Transparency in Optical and Ultraviolet Spectrum: They provide excellent transparency in both the optical and ultraviolet spectrum, ensuring accurate transmission of light signals.

  • Excellent Thermal Conductivity: Diamond windows possess excellent thermal conductivity, enabling efficient heat dissipation and preventing thermal damage to sensitive components.

  • Low Scattering in Infrared: The low scattering property of diamond windows minimizes signal distortion and ensures clear and accurate transmission of infrared signals.

  • High Fracture Strength: Diamond windows are characterized by their high fracture strength, making them resistant to mechanical stress and ensuring durability in demanding environments.

  • Extreme Low Thermal Expansion Coefficient: The extremely low thermal expansion coefficient of diamond windows minimizes thermal expansion-induced distortions, ensuring stable performance even under extreme temperature variations.

  • Ultra-high-vacuum Mounting: Diamond windows can achieve ultra-high-vacuum mounting, which is crucial for applications requiring a clean and contamination-free environment.

  • Customizable Dimensions and Specifications: Our company offers customizable dimensions and specifications for diamond optical windows, allowing you to tailor the windows to your specific application requirements.

Principle

Optical windows use diamond as a highly durable material with exceptional broad-band optical transparency, providing high thermal conductivity, outstanding hardness, and low thermal expansion coefficient for various demanding applications such as IR laser windows and microwave windows in challenging environments.

Advantages

  • Exceptional broad band infrared transparency
  • Excellent transparency in the optical and ultraviolet spectrum
  • Excellent thermal conductivity
  • Low scattering in infrared
  • High fracture strength
  • Extreme low thermal expansion coefficient
  • Can achieve ultra-high-vacuum mounting

Specification

Diameter: 65mm (F150mm on request)
thickness: 1mm
Flatness: 4um/cm
With higher transparency
Thickness: < 0.3mm
Size: < 20 diameter

FAQ

What are optical windows and what are they used for?

Optical windows are transparent components used to transmit light without distorting its properties. They are used in various applications such as high-power IR laser systems, microwave windows, and in environments requiring exceptional broad-band infrared transparency and thermal conductivity.

What are optical quartz plates?

Optical quartz plates are transparent, durable components made from high-purity quartz crystal. They are widely used in various industries due to their excellent thermal and chemical resistance.

What is an optical bandpass filter?

An optical bandpass filter is an engineered optical filter designed to isolate a specific range of wavelengths, allowing only those wavelengths to pass through while blocking all others.

What is CVD (Chemical Vapor Deposition) and what are its key advantages?

CVD, or Chemical Vapor Deposition, is a process where materials are deposited onto a substrate from the vapor phase. Key advantages include the ability to coat restricted access surfaces, a wide range of coating materials (metals, alloys, and ceramics), very low porosity levels, high purity, and economical production with large batch numbers.

What materials can a diamond cutting machine cut?

Diamond cutting machines are designed to cut a variety of materials, including ceramics, crystals, glass, metals, rocks, thermoelectric materials, infrared optical materials, composite materials, and biomedical materials. They are particularly effective for cutting brittle materials with high precision.

What are the advantages of diamond optical windows?

- Exceptional broad band infrared transparency- Excellent transparency in the optical and ultraviolet spectrum- Excellent thermal conductivity- Low scattering in infrared- High fracture strength- Extreme low thermal expansion coefficient- Can achieve ultra-high-vacuum mounting

What are the different types of optical windows available?

There are several types of optical windows, including diamond optical windows, CaF2 windows, MgF2 windows, silicon windows, quartz glass sheets, zinc sulfide (ZnS) windows, barium fluoride (BaF2) windows, zinc selenide (ZnSe) windows, and sapphire windows. Each type has unique properties suited for different applications.

What are the main types of optical quartz plates?

The main types of optical quartz plates include JGS1, JGS2, and JGS3 quartz plates, high-temperature resistant optical quartz glass sheets, K9 quartz sheets, optical ultra-clear glass sheets, diamond optical windows, MgF2 magnesium fluoride crystal substrates, infrared silicon lenses, quartz electrolytic cells, barium fluoride substrates, CaF2 substrates, infrared transmission coating sapphire sheets, ITO/FTO glass storage racks, float soda-lime optical glass, borosilicate glass, glassy carbon sheets, and high-purity silicon dioxide materials.

What is optical glass used for?

Due to its exceptional level of clarity and durability, optical glass is the most commonly used material for a wide variety of optical applications, including: Lenses for analytical and medical equipment. Photographic lenses. Windows for optical systems and instruments.

What are the main types of optical bandpass filters?

The main types of optical bandpass filters include narrow band filters, shortpass filters, longpass filters, optical windows, and specialized filters like barium fluoride substrates.

What are some common applications of CVD materials?

CVD materials are used in various applications such as cutting tools, loudspeakers, dressing tools, wire drawing dies, thermal management, electronics, optics, sensing, quantum technologies, and more. They are valued for their superior thermal conductivity, durability, and performance in different environments.

What is the principle behind a diamond cutting machine?

Diamond cutting machines utilize a continuous diamond wire cutting mechanism. This mechanism allows for precise cutting of materials by moving the diamond wire downward at a constant speed while the material is fixed on the workbench. The machine can also rotate the workbench 360 degrees for different cutting angles.

What are the applications of diamond optical windows?

- High-power IR laser windows- High-power microwave windows- Extreme harsh working conditions

How do optical windows work?

Optical windows work by allowing light to pass through them with minimal absorption, reflection, and scattering. They are designed to maintain the integrity of the light's properties, such as wavelength and intensity, ensuring clear and accurate transmission.

What are the applications of optical quartz plates?

Optical quartz plates are used in a variety of applications, including telecommunications, astronomy, laboratory settings, high-power IR laser and microwave windows, VUV and infrared spectroscopy, near-infrared range applications, electrochemical experiments, and more.

What is the composition of optical glass?

About 95% of all glasses are of the "soda-lime" type, containing silicon dioxide (silica), Na2O (soda), and CaO (lime). Crown glass is a soda-lime-silica composite.

How does an optical bandpass filter work?

Optical bandpass filters work by using multilayer dielectric thin films to modulate the optical properties of specific wavelength bands. These films are designed to reflect or absorb wavelengths outside the desired range, allowing only the targeted wavelengths to pass through.

What types of CVD materials are available?

There are several types of CVD materials available, including CVD Diamond coatings, CVD diamond domes, CVD Diamond for dressing tools, CVD Diamond wire drawing die blanks, CVD Diamond cutting tool blanks, CVD boron-doped diamond, CVD diamond for thermal management, and more. Each type is tailored for specific applications.

What are the advantages of using a diamond cutting machine?

The advantages of diamond cutting machines include high cutting accuracy, continuous operation without manual adjustment, and the ability to cut both large and small samples with high dimensional accuracy. They also feature a pneumatic tensioning system for stable and reliable tensioning force, and a PLC program control system for simple and fast operation.

What are the advantages of using optical windows in high-power IR laser applications?

Optical windows used in high-power IR laser applications offer several advantages, including exceptional broad-band infrared transparency, excellent thermal conductivity, and low scattering in the infrared spectrum. These properties help in maintaining the performance and longevity of the laser systems.

What are the advantages of using optical quartz plates?

Optical quartz plates offer several advantages, such as excellent thermal and chemical resistance, high clarity, tailored refractive properties, resistance to laser damage, stability in various environments, and versatility in different industries.

What are the most common optical glasses?

The most common optical glasses for the IR spectrum are calcium fluoride, fused silica, germanium, magnesium fluoride, potassium bromide, sapphire, silicon, sodium chloride, zinc selenide, and zinc sulfide.

What are the advantages of using optical bandpass filters?

Optical bandpass filters offer advantages such as high spectral selectivity, allowing precise control over the wavelengths that pass through. They are also designed for high transmission, angular insensitivity, and sideband elimination, making them versatile for various optical applications.

How does CVD diamond enhance the performance of cutting tools?

CVD diamond enhances cutting tools by providing superior wear resistance, low friction, and high thermal conductivity. This makes them ideal for machining non-ferrous materials, ceramics, and composites, ensuring longer tool life and better performance.

What types of diamond cutting machines are available?

There are several types of diamond cutting machines, including high precision diamond wire cutting machines, workbench diamond single wire circular small cutting machines, and high precision automatic diamond wire cutting machines. Each type is designed for specific applications, such as precision cutting of ultra-thin plates or cutting various brittle crystals with high hardness.

Why are CaF2 windows preferred in certain optical applications?

CaF2 windows are preferred in optical applications due to their versatility, environmental stability, resistance to laser damage, and high, stable transmission from 200 nm to about 7 μm. These properties make them suitable for a wide range of optical applications.

How are optical quartz plates manufactured?

Optical quartz plates are typically manufactured from high-purity quartz crystal. Depending on the specific type, they may undergo various processes to enhance their optical properties, such as coating or shaping to meet precise specifications.

Where are optical bandpass filters commonly used?

Optical bandpass filters are commonly used in imaging and machine vision systems, biometrics, telecommunications, astronomy, and other fields where precise wavelength control is essential.

What makes CVD diamond domes suitable for high-performance loudspeakers?

CVD diamond domes are suitable for high-performance loudspeakers due to their exceptional sound quality, durability, and power handling capabilities. Made with DC Arc Plasma Jet technology, they deliver superior acoustic performance for high-end audio applications.

How does a diamond cutting machine ensure high precision cutting?

Diamond cutting machines ensure high precision cutting through several features, such as a continuous diamond wire cutting mechanism, a pneumatic tensioning system for stable tensioning force, and a PLC program control system for precise operation. The machines also allow for manual or program-controlled rotation of the workbench, ensuring accurate cutting angles.

What makes MgF2 windows unique?

MgF2 windows are unique because they are made from a tetragonal crystal that exhibits anisotropy. This property makes them essential for precision imaging and signal transmission, where treating them as single crystals is imperative.

What makes K9 quartz sheets unique?

K9 quartz sheets, also known as K9 crystal, are a type of optical borosilicate crown glass known for their exceptional optical properties. They are widely used in optical applications due to their high clarity and tailored refractive properties.

What makes narrow band filters unique?

Narrow band filters are unique because they have a square top over their pass band, allowing more energy to pass through the filter. This shape can be further enhanced by using three materials in the filter's construction, making the pass band even more precise.

How does CVD diamond improve thermal management in electronic devices?

CVD diamond improves thermal management in electronic devices by offering high-quality diamond with thermal conductivity up to 2000 W/mK. This makes it ideal for use in heat spreaders, laser diodes, and GaN on Diamond (GOD) applications, effectively dissipating heat and enhancing device performance.

What is the application range of a diamond cutting machine?

Diamond cutting machines are widely used in various industries for cutting materials of different hardness. They are particularly suitable for processing larger-sized precious materials and can handle materials such as ceramics, crystals, glass, metals, rocks, thermoelectric materials, infrared optical materials, composite materials, and biomedical materials.

How does silicon perform in near-infrared (NIR) applications?

Silicon performs exceptionally well in near-infrared (NIR) applications, covering a range of approximately 1 μm to 6 μm. It is one of the most durable mineral and optical materials, making it highly suitable for NIR applications.

What is the role of optical quartz plates in telecommunications?

Optical quartz plates are used in telecommunications for precise light manipulation, ensuring clear signal transmission and enhancing the performance of optical devices.

How do shortpass filters differ from longpass filters?

Shortpass filters transmit light with wavelengths shorter than a specified cutoff wavelength, blocking longer wavelengths. In contrast, longpass filters transmit light longer than the cutoff wavelength, blocking shorter wavelengths.

What are the benefits of using high-temperature resistant optical quartz glass sheets?

High-temperature resistant optical quartz glass sheets offer excellent thermal and chemical resistance. They are widely used in industries requiring precise light manipulation, such as telecommunications and astronomy, due to their exceptional clarity and tailored refractive properties.

How do optical quartz plates contribute to laboratory research?

Optical quartz plates are essential in laboratory research for their durability, chemical resistance, and precise optical properties. They are used in various experiments and setups that require high-quality optical components.

What are the applications of optical windows?

Optical windows are used in high-power IR laser and microwave applications due to their exceptional broad band infrared transparency, excellent thermal conductivity, and low scattering in the infrared spectrum.

Why are zinc sulfide (ZnS) windows preferred in harsh environments?

Zinc sulfide (ZnS) windows are preferred in harsh environments because they have excellent mechanical strength, chemical inertness, and a wide IR transmission range between 8-14 microns. These properties make them highly durable and resistant to harsh conditions.

How does the design of optical bandpass filters impact performance?

The design of optical bandpass filters is highly sensitive to film thickness variations. Significant changes in film thickness can reduce the overall optical performance, affecting the filter's ability to precisely control the wavelengths that pass through.

What are the applications of barium fluoride (BaF2) windows?

BaF2 windows are valuable for applications in VUV and infrared spectroscopy due to their fast scintillation properties. They are sought after for their exceptional properties, making them ideal for precise spectroscopic analysis.
View more faqs for this product

4.7

out of

5

These optical windows have been a game-changer for my research. The exceptional transparency and low scattering properties have greatly enhanced the accuracy of my measurements.

Dr. Holloway

4.8

out of

5

Highly durable and reliable, these windows have withstood the extreme conditions of my experiments without any degradation in performance.

Dr. Savic

4.9

out of

5

The ultra-high-vacuum mounting capability has enabled me to achieve a pristine environment for my experiments, minimizing contamination and ensuring accurate results.

Dr. Tanaka

4.7

out of

5

The customizable dimensions and specifications have allowed me to tailor the windows to my specific experimental setup, ensuring optimal performance.

Dr. Patel

4.8

out of

5

The exceptional broad-band infrared transparency has been invaluable for my high-power IR laser applications, providing clear and undistorted transmission.

Dr. Silva

4.9

out of

5

These windows have proven to be highly resistant to thermal stress, maintaining their integrity even under extreme temperature fluctuations.

Dr. Khan

4.7

out of

5

The low scattering in infrared has significantly reduced signal distortion, leading to improved data quality in my optical measurements.

Dr. Lee

4.8

out of

5

The high fracture strength has ensured the durability of these windows in my demanding experimental conditions.

Dr. Chen

4.9

out of

5

The ultra-high-vacuum mounting capability has been crucial for my research, enabling me to maintain a contamination-free environment.

Dr. Rodriguez

4.7

out of

5

These optical windows have exceeded my expectations in terms of performance and reliability.

Dr. Kim

4.8

out of

5

The excellent thermal conductivity has effectively dissipated heat from my sensitive components, preventing thermal damage.

Dr. Patel

4.9

out of

5

The customizable dimensions and specifications have been instrumental in integrating these windows seamlessly into my experimental setup.

Dr. Khan

4.7

out of

5

The exceptional broad-band infrared transparency has enabled me to achieve high transmission efficiency in my optical applications.

Dr. Smith

4.8

out of

5

The low scattering in infrared has been essential for my research, minimizing signal distortion and ensuring accurate data analysis.

Dr. Garcia

4.9

out of

5

These optical windows are a testament to the company's commitment to quality and innovation.

Dr. Patel

4.7

out of

5

The ultra-high-vacuum mounting capability has been a lifesaver for my experiments, preventing contamination and ensuring reliable results.

Dr. Kim

4.8

out of

5

The excellent thermal conductivity has been crucial for my high-power applications, preventing thermal damage to my equipment.

Dr. Lee

4.9

out of

5

These optical windows have been an excellent investment for my research, providing exceptional performance and durability.

Dr. Chen

PDF - Optical Windows

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Catalog of Cvd Materials

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Catalog of Optical Window

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Catalog of Optical Quartz Plates

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Catalog of Optical Material

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Catalog of Optical Bandpass Filter

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Catalog of Cvd Materials

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Catalog of Diamond Cutting Machine

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