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Raw Crystalline Materials

Barium fluoride (BaF2) has an optical transmittance of nearly 90% in the 200-9500nm.Moreover, barium fluoride can resist stronger high-energy radiation. However, the disadvantage of barium fluoride is its poor resistance to water. When exposed to water, significant degradation of performance occurs at 500°C, but it can be used in ...

Specifications

Type Of Crystal: BaF2
Crystal Diameter: 300mm
Material Grade: UM-DUV, UM-UV, UM-IR
Wavelength Range: 150nm~14um
Crystal Structure: Monocrystalline/Polycrystalline
Calcium fluoride (CaF2) crystals with high hardness, strong resistance to mechanical shock and thermal shock is good transmittance in UV, visible and infrared fields. ICalcium fluoride (CaF2) crystals are widely used in scientific and technological fields such as lasers, infrared optics, UV optics and high-energy detectors. ...

Specifications

Type Of Crystal: calcium fluoride(CaF2)
Crystal Diameter: 520mm
Material Grade: UM-DUV, UM-UV, UM-IR
Wavelength Range: 0.13-10μm
Crystal Structure: Monocrystalline/Polycrystalline
Magnesium fluoride is a tetragonal crystal system with excellent optical and thermomechanical properties.The transmission range of magnesium fluoride is 120-7500nm, and it still has good transmission in the deep ultraviolet range. It is often used as optical component materials such as ultraviolet windows, lenses and prisms. Our ...

Specifications

Material Grade: UV,Deep UV,Extreme UV,Excimer laser,Low stress
Growing Method: CZ
Wavelength Range: 110nm-7.5μm
Crystal Structure: Monocrystalline
Orientation: <001>, <111>, <100>
Lithium fluoride is a tetragonal crystal system with excellent optical properties, especially in the deep UV band. Lithium fluoride has a transmission spectrum of 110-7000 nm and is commonly used in lenses, prisms and windows for thermal imaging systems, aerospace optical systems and excimer optical systems. We can provide a wide ...

Specifications

Material: Lithium fluoride(LiF)
Material Grade: UV, Deep UV, Extreme UV
Available Sizes: φ180mm
Wavelength Range: 110nm-7μm
Crystal Structure: Monocrystalline, Polycrystalline
DLATGS CrystalDLATGS crystal is a crystalline material with a pyroelectric effect, which can provide a wide range of infrared radiation from the near-ultraviolet (NUV) light edge of 0.4 μm (~750 THz) to the far-infrared spectrum of 200 μm (~1.5 THz). It has a wide range of uses in aerospace, military, medical, and fire safety ...

Specifications

Raw Crystalline Materials: The Foundation of Optical Components

Raw crystalline materials serve as the foundational elements for a wide array of optical components. These materials are prized for their unique optical properties, including wide transparency ranges and durability.

Key Properties

  • Transparency: High optical clarity across specific wavelength ranges.

  • Hardness: Resistance to scratching and mechanical wear.

  • Thermal Stability: Ability to maintain performance under varying temperatures.

Common Raw Crystalline Materials

  • Calcium Fluoride (CaF₂): Offers excellent transmission from ultraviolet to infrared wavelengths.

  • Barium Fluoride (BaF₂): Known for its wide transmission range and low refractive index.

  • Sapphire (Al₂O₃): Extremely hard and chemically inert, suitable for harsh environments.

  • Zinc Selenide (ZnSe): Transparent in the infrared range, commonly used in CO₂ laser systems.

Applications

These raw materials are processed into various optical components:

  • Lenses and Windows: Used in laser systems, imaging devices, and sensors.

  • Prisms and Beam Splitters: Essential in spectroscopy and optical communication.

  • Waveplates and Polarizers: Utilized in controlling light polarization.

Processing Techniques

Transforming raw crystals into functional optical components involves several steps:

  1. Crystal Growth: Techniques like the Czochralski process are used to grow large, high-quality crystals.

  2. Cutting and Shaping: Crystals are cut into desired shapes using precision tools.

  3. Polishing: Surfaces are polished to achieve optical-grade finishes.

  4. Coating: Anti-reflective or protective coatings are applied to enhance performance.

The quality of these processes directly affects the performance of the final optical components.

Did You know?

Raw crystalline materials serve as the foundational elements for a wide array of optical components. Materials such as calcium fluoride (CaF₂), barium fluoride (BaF₂), sapphire, and zinc selenide (ZnSe) are prized for their unique optical properties, including wide transparency ranges and durability . These raw crystals are meticulously grown and processed to produce lenses, windows, prisms, and other components essential in lasers, infrared optics, and UV applications. The quality of these raw materials directly influences the performance of the final optical products, making their purity and structural integrity paramount. Advancements in crystal growth techniques continue to expand the capabilities and applications of these vital materials in scientific and industrial fields.