Products Lab Consumables & Materials Optical Materials Zinc selenide(ZnSe) window / substrate / optical lens
Zinc selenide(ZnSe) window / substrate / optical lens

Optical Materials

Zinc selenide(ZnSe) window / substrate / optical lens

Item Number : KTOM-ZSW

Price varies based on specs and customizations


Transmittance
99%
Diameter Tolerance
10ZS: ±0.2 mm ZNW: +0.0/-0.1 mm
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ZnSe windows / substrate / optical lens

ZnSe windows are ideal for a variety of infrared applications including high power CO2 laser systems. Zinc Selenide has low infrared absorption and high thermal shock resistance. However, due to the soft nature of the material, the ZnSe window must be handled with care.

Detail & Parts

Zinc selenide window has high light transmittance
Zinc selenide window has high light transmittance
Zinc selenide window double-sided coating
Zinc selenide window double-sided coating
Scrub-resistant zinc selenide window
Scrub-resistant zinc selenide window
Zinc selenide window has strong light transmission
Zinc selenide window has strong light transmission
High temperature resistant zinc selenide window
High temperature resistant zinc selenide window

Advantages of ZnSe window / substrate / optical lens

  • ZnSe has a high refractive index and needs to be coated with an AR coating to achieve high transmittance.
  • Zinc Selenide has low infrared absorption and is able to transmit beams in a very broad spectral range (0.6-16 µm). This facilitates thermal imaging, where the temperature of a distant object can be determined from its black body radiation spectrum.
  • Zinc selenide windows are ideal for environments where heat resistance is critical. The window has low absorption and high thermal shock resistance, so it can be used in high power CO2 laser applications. These windows can also be used in infrared imaging applications such as in scientific, military or search and rescue applications.

Precautions

  • Zinc selenide is a toxic substance and must be handled and cleaned with great care.
  • Rubber gloves need to be worn at all times to prevent contamination of the material. 
  • Handle zinc selenide from its edges to prevent scratching the material.

Provide customized services

Through the implementation of innovative and state-of-the-art melting processes, we have acquired extensive expertise in the development and manufacture of quality glass products, offering a wide range of optical glass products for a variety of commercial, industrial and scientific applications. The company provides various specifications of optical glass such as raw glass, cut parts and finished components, and cooperates closely with customers to customize products according to customer needs. With an unwavering commitment to quality, we ensure our customers receive the perfect solution tailored to their requirements.

For further quotations, please contact us.

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 is the transmission range of zinc selenide?

Zinc selenide is a clear yellow polycrystalline material with a grain size of approximately 70µm, transmitting in the range 0.5-15µm.

What is the spectral range of ZnSe?

ZnSe has a good mid-IR spectral range reaching to about 630 cm-1 for multiple reflection ATR crystals at the long wavelength side of the spectrum (depending upon IR beam pathlength). Coated versions of our ZnSe ATR crystals are available for improved IR throughput and enhanced seal within the ATR crystal plate.

Is zinc selenide hygroscopic?

Zinc selenide is a light yellow binary solid compound that rarely occurs in nature. It is a chemically inert, non-hygroscopic and highly pure material largely found in the mineral stilleite.

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 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.

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 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.

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 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.

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.

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.

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 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.

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.

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

4.8

out of

5

I am amazed by the fast delivery; the ZnSe window arrived within two days, which was a lifesaver for my project timeline.

Aaliyah Stewart

4.9

out of

5

The quality of the ZnSe substrate is top-notch, providing me with precise and reliable results. It's worth every penny.

Liam Torres

4.7

out of

5

The optical lens made of ZnSe has exceeded my expectations. The clarity and sharpness of the images are remarkable.

Olivia Carter

4.8

out of

5

Durability is a key factor for me, and the ZnSe window has proven to be exceptionally durable. It has withstood various environmental conditions without any issues.

Noah Garcia

5.0

out of

5

The technological advancements incorporated into the ZnSe window are impressive. It offers features that are unmatched by other products in the market.

Isabella Rodriguez

4.7

out of

5

The value for money is unbeatable. The ZnSe substrate provides excellent performance at a competitive price, making it an economical choice.

Elijah Walker

4.9

out of

5

I highly recommend the ZnSe optical lens for its exceptional image quality. It's a game-changer for my research.

Sophia Johnson

4.8

out of

5

The ZnSe window's thermal shock resistance is remarkable. It can withstand extreme temperature changes without compromising its integrity.

Benjamin Davis

4.7

out of

5

The broad spectral range of the ZnSe window makes it versatile for various applications. It's a valuable asset to our laboratory.

Amelia Wilson

5.0

out of

5

The low infrared absorption of the ZnSe substrate is a key advantage. It ensures accurate and reliable measurements in our experiments.

Lucas Martinez

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Catalog of Optical Window

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