Optical Materials
barium fluoride (BaF2) substrate / window
Item Number : KTOM-BFS
Price varies based on specs and customizations
- Dimensional tolerance
- ±0.1
- Chamfer
- 0.25mm×45°
- smoothness
- 40-20 or other
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Barium Fluoride
Barium Fluoride (BaF₂) is a crystalline compound used in optical applications across the NIR, VIS, and MWIR spectrums. With resistance to high-energy radiation and performance in dry temperatures up to 800°C, it's an excellent choice. However, in a moist atmosphere, VUV transmission degrades over time, and water corrosion occurs at 500°C. BaF₂ is ideal for VUV windows requiring radiation resistance, thermography, medical equipment, lasers, and astronomy.
Detail & Parts
BaF2 Main Properties and Performance
| Transmission range (μm) | 0.15~12.5 |
| Transmittance | ＞90% （0.35~9μm, 3mm） |
| Reflection Loss at 2.58μm | 6.8%(both faces) |
| Knoop hardness (kg/mm2) | 82 with 500g indenter |
| Density (g/cm3) | 4.89 |
| Melting Point (℃) | 1280 |
Typical Sizes
| Round Shape | Φ5.0; Φ10.0 ; Φ12.7; Φ15.0; Φ20.0 |
| Diameter(mm) | Φ25.4; Φ30.0; Φ38.1; Φ50.8; Φ76.2 |
| Square Shape | 5.0x5.0 ; 10.0x10.0 ; 15.0x15.0 |
| WxH(mm) | 20.0x20.0; 25.0x25.0; 50.0x50.0 |
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 quartz plates?
What are optical windows and what are they used for?
What is Physical vapor deposition (PVD)?
What is an optical bandpass filter?
What does a bandpass filter do?
What is 3dB bandwidth in bandpass filter?
What is the advantage of bandpass sampling?
What are the main types of optical quartz plates?
What are the different types of optical windows available?
What is optical glass used for?
What is magnetron sputtering?
What are the main types of optical bandpass filters?
What are the applications of optical quartz plates?
How do optical windows work?
What is the composition of optical glass?
Why magnetron sputtering?
How does an optical bandpass filter work?
What are the advantages of using optical quartz plates?
What are the advantages of using optical windows in high-power IR laser applications?
What are the most common optical glasses?
What are the materials used in thin film deposition?
Thin film deposition commonly utilizes metals, oxides, and compounds as materials, each with its unique advantages and disadvantages. Metals are preferred for their durability and ease of deposition but are relatively expensive. Oxides are highly durable, can withstand high temperatures, and can be deposited at low temperatures, but can be brittle and challenging to work with. Compounds offer strength and durability, can be deposited at low temperatures and tailored to exhibit specific properties.
The selection of material for a thin film coating is dependent on the application requirements. Metals are ideal for thermal and electrical conduction, while oxides are effective in offering protection. Compounds can be tailored to suit specific needs. Ultimately, the best material for a particular project will depend on the specific needs of the application.
What are the advantages of using optical bandpass filters?
How are optical quartz plates manufactured?
Why are CaF2 windows preferred in certain optical applications?
What are the methods to achieve optimal thin film deposition?
To achieve thin films with desirable properties, high-quality sputtering targets and evaporation materials are essential. The quality of these materials can be influenced by various factors, such as purity, grain size, and surface condition.
The purity of sputtering targets or evaporation materials plays a crucial role, as impurities can cause defects in the resulting thin film. Grain size also affects the quality of the thin film, with larger grains leading to poor film properties. Additionally, the surface condition is crucial, since rough surfaces can result in defects in the film.
To attain the highest quality sputtering targets and evaporation materials, it is crucial to select materials that possess high purity, small grain size, and smooth surfaces.
Uses of Thin Film Deposition
Zinc Oxide-Based Thin Films
ZnO thin films find applications in several industries such as thermal, optical, magnetic, and electrical, but their primary use is in coatings and semiconductor devices.
Thin-Film Resistors
Thin-film resistors are crucial for modern technology and are used in radio receivers, circuit boards, computers, radiofrequency devices, monitors, wireless routers, Bluetooth modules, and cell phone receivers.
Magnetic Thin Films
Magnetic thin films are used in electronics, data storage, radio-frequency identification, microwave devices, displays, circuit boards, and optoelectronics as key components.
Optical Thin Films
Optical coatings and optoelectronics are standard applications of optical thin films. Molecular beam epitaxy can produce optoelectronic thin-film devices (semiconductors), where epitaxial films are deposited one atom at a time onto the substrate.
Polymer Thin Films
Polymer thin films are used in memory chips, solar cells, and electronic devices. Chemical deposition techniques (CVD) offer precise control of polymer film coatings, including conformance and coating thickness.
Thin-Film Batteries
Thin-film batteries power electronic devices such as implantable medical devices, and the lithium-ion battery has advanced significantly thanks to the use of thin films.
Thin-Film Coatings
Thin-film coatings enhance the chemical and mechanical characteristics of target materials in various industries and technological fields. Anti-reflective coatings, anti-ultraviolet or anti-infrared coatings, anti-scratch coatings, and lens polarization are some common examples.
Thin-Film Solar Cells
Thin-film solar cells are essential to the solar energy industry, enabling the production of relatively cheap and clean electricity. Photovoltaic systems and thermal energy are the two main applicable technologies.
Where are optical bandpass filters commonly used?
What makes K9 quartz sheets unique?
What makes MgF2 windows unique?
Factors and Parameters that Influence Deposition of Thin Films
Deposition Rate:
The rate at which the film is produced, typically measured in thickness divided by time, is crucial for selecting a technology suitable for the application. Moderate deposition rates are sufficient for thin films, while quick deposition rates are necessary for thick films. It is important to strike a balance between speed and precise film thickness control.
Uniformity:
The consistency of the film across the substrate is known as uniformity, which usually refers to film thickness but can also relate to other properties such as the index of refraction. It is important to have a good understanding of the application to avoid under- or over-specifying uniformity.
Fill Capability:
Fill capability or step coverage refers to how well the deposition process covers the substrate's topography. The deposition method used (e.g., CVD, PVD, IBD, or ALD) has a significant impact on step coverage and fill.
Film Characteristics:
The characteristics of the film depend on the application's requirements, which can be categorized as photonic, optical, electronic, mechanical, or chemical. Most films must meet requirements in more than one category.
Process Temperature:
Film characteristics are significantly affected by process temperature, which may be limited by the application.
Damage:
Each deposition technology has the potential to damage the material being deposited upon, with smaller features being more susceptible to process damage. Pollution, UV radiation, and ion bombardment are among the potential sources of damage. It is crucial to understand the limitations of the materials and tools.
What makes narrow band filters unique?
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How does silicon perform in near-infrared (NIR) applications?
How do shortpass filters differ from longpass filters?
How do optical quartz plates contribute to laboratory research?
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What are the applications of optical windows?
Why are zinc sulfide (ZnS) windows preferred in harsh environments?
How does the design of optical bandpass filters impact performance?
What are the applications of barium fluoride (BaF2) windows?
4.7
out of
5
The BaF2 substrate is incredibly durable and resistant to wear. It has exceeded our expectations in terms of quality and performance.
4.9
out of
5
The high light transmittance of the BaF2 substrate has significantly improved the efficiency of our optical system. We're very satisfied with the results.
4.8
out of
5
The precision and accuracy of the BaF2 substrate are exceptional. It has enabled us to achieve precise and consistent results in our research.
4.7
out of
5
The BaF2 substrate is an excellent choice for applications requiring resistance to high-energy radiation. It has proven to be a valuable asset in our laboratory.
5.0
out of
5
The substrate's wide application range has made it a versatile tool in our lab. We've been able to use it for a variety of experiments, and it has performed flawlessly.
4.6
out of
5
The BaF2 substrate is a cost-effective solution for our research needs. It provides excellent value for money, and we're very happy with our purchase.
4.8
out of
5
The fast delivery of the BaF2 substrate was a lifesaver. We were able to get our experiment up and running quickly, which saved us valuable time.
4.9
out of
5
The technological advancements incorporated into the BaF2 substrate are impressive. It has enabled us to explore new possibilities in our research.
4.7
out of
5
The substrate's resistance to corrosion in dry temperatures up to 800°C has been a game-changer for our high-temperature experiments.
5.0
out of
5
The BaF2 substrate has exceeded our expectations in terms of durability. It has withstood harsh conditions and continues to perform flawlessly.
4.8
out of
5
The high precision material of the BaF2 substrate has enabled us to achieve sub-micron resolution in our imaging experiments.
4.6
out of
5
The substrate's transmission range from 0.15 to 12.5 μm has been incredibly useful for our broad range of applications.
4.9
out of
5
The BaF2 substrate's low reflection loss at 2.58 μm has minimized signal distortion in our optical measurements.
4.7
out of
5
The substrate's resistance to water corrosion up to 500°C has been crucial for our experiments involving high-temperature aqueous solutions.
4.8
out of
5
The substrate's wide application range has made it an indispensable tool in our laboratory. It has facilitated a variety of experiments, from optical spectroscopy to laser processing.
PDF - barium fluoride (BaF2) substrate / window
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