Hangzhou Freqcontrol Electronic Technology Ltd.
| Payment Terms | T/T |
| Supply Ability | 10000 pieces/Month |
| Delivery Time | 1-4 weeks |
| Packaging Details | Cassette / Jar, put in a carton with PE foam. |
| Category | Infrared Optics |
| Material | Calcium Fluoride CaF2 |
| Crystal Structure | Cubic, a=5.462 Å |
| Growth | Bridgeman Method |
| Density | 3.18 g/cm3 |
| Hardness | 4 ( Mohn) |
| Lower Wavelength Cutoff (nm) | 135 |
| Wavelength of Emission Max. (nm) | 310 / 220 (195) |
| Brand Name | BonTek |
| Model Number | Calcium Fluoride (CaF2) |
| Certification | ISO:9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 10000 pieces/Month |
| Delivery Time | 1-4 weeks | Packaging Details | Cassette / Jar, put in a carton with PE foam. |
| Category | Infrared Optics | Material | Calcium Fluoride CaF2 |
| Crystal Structure | Cubic, a=5.462 Å | Growth | Bridgeman Method |
| Density | 3.18 g/cm3 | Hardness | 4 ( Mohn) |
| Lower Wavelength Cutoff (nm) | 135 | Wavelength of Emission Max. (nm) | 310 / 220 (195) |
| Brand Name | BonTek | Model Number | Calcium Fluoride (CaF2) |
| Certification | ISO:9001 | Place of Origin | China |
| High Light | High Transmittance Calcium Fluoride Optics ，CaF2 Optics Special Optical Windows ，Cubic Calcium Fluoride Optics | ||
High Transmittance Calcium Fluoride Infrared Optics Used For Special Optical Windows
The calcium fluoride(CaF2) crystal has a high transmittance in the range of 0.13~11.3 um, can reach 95%, with low stress birefringence (no obvious intrinsic birefringence in above 200nm), high refractive index uniformity, mechanical properties are stable, not deliquent, strong resistance to radiation damage etc. CaF2 crystal is an ideal material for making optical components such as optical windows, prisms and lenses.
| The main performance parameters | |
| Crystal structure: | Cubic |
| Density: | 3.18 (g/cm3) |
| Melting point: | 1360℃ |
| Refractive index: | 1.39908 at 5mm |
| Solubility: | 0.0017g/100g (20℃ / water) |
| Transmission Band: | 0.13~11.3mm |
| Kirschner Hardness: | 158.3 (100) |
| Elastic Coefficient: | C11=164, C12=53, C44=33.7 |
| Visual Elasticity Limit: | 36.54MPa |
| Thermal Conductivity: | 9.71 W/K.m |
| Coefficient of Thermal expansion: | 18.85 x 10-6 / ℃ |
| Cleavage Plane | <111> |
| Packing: | Class-100 clean bags, in class-1000 clean room |
| Standard Specification | ||||
| Product Name | Orientation | Standard Size | Thickness | Polishing |
| CaF2 single crystal substrate | <100> ±0.5° | 10x10mm | 0.1mm | Fine ground |
Acceptance Check
1. The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.
2. After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.
3. Please open the vacuum package in a clean room when the products are to be applied.
4. If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
1999
Total Annual:
800M-1500M
Employee Number:
10~99
Ecer Certification：
Verified Supplier
Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin... Founded in 1999, Hangzhou Freqcontrol Electronic Technology Ltd. is a China leading manufacturer of piezoelectric crystal wafers, substrates, components and single crystal growth. We, known as the "CQT Group" in global market, headquartered in Hangzhou, China, empowered by its manufacturin...
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