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 | Barium Fluoride, BaF2 |
| Orientation | <111> |
| Density | 4.88 g/cm3 |
| Melting Point (K) | 1627 |
| Hygroscopic | Slightly |
| Transmission Range | 0.15um - 14.00um |
| Hardness (Mhos) | 3 |
| Brand Name | BonTek |
| Model Number | Barium Fluoride (BaF2) |
| 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 | Barium Fluoride, BaF2 |
| Orientation | <111> | Density | 4.88 g/cm3 |
| Melting Point (K) | 1627 | Hygroscopic | Slightly |
| Transmission Range | 0.15um - 14.00um | Hardness (Mhos) | 3 |
| Brand Name | BonTek | Model Number | Barium Fluoride (BaF2) |
| Certification | ISO:9001 | Place of Origin | China |
| High Light | BaF2 Infrared Optics ，14.00um barium fluoride crystal ，Infrared Optics Subsrate | ||
BaF2 Barium Fluoride Infrared Optics Subsrate for Optical Scintillation Applications
Barium fluoride, BaF2, crystal has good transmittance over a wide spectrum range, from 150 nm to 12.5 um. It has been widely used as windows, lenses, and prisms, particularly for ultaviolet transmittance. The highest quality BaF2 has been used for scintillation crystals. BaF2 can also be used a crystal substrates for the epitaxial growth of thin films.
| Optical Properties | |
| Transmission Range | 150 nm to 14 um |
| Transmittance | >94% at 350 nm to 10.8 um |
| Refractive Index | 1.4624 at 2.58 um 1.3936 at 10.35 um |
| Reflection Loss | 6.8% at 2.58 um (both surfaces) 5.3% at 10.35 um (both surfaces) |
| Radiation Length | 20.6 mm |
| Residual Radiation Peak | 47 nm |
| Emission Peak | 310 nm slow; 220 nm fast |
| Decay Constant | 620 ns slow; 0.6 ns fast |
| Light Output | 20% slow; 4% fast |
| Absorption Coefficient | 3.2 x 10^-4 cm-1 at 6 um |
| Physical Properties | |
| Density | 4.89 g/cm3 |
| Melting Point | 1280 °C |
| Thermal Conductivity | 11.72 W.m-1K-1 at 286K |
| Thermal Expansion Coefficient (CTE) | 18.1 x 10-6 /C at 273K |
| Knoop Hardness | 82 with 500g indenter (kg/mm2) |
| Specific Heat Capacity | 410 J/(kg.K) |
| Dielectric Constant | 7.33 at 1 MHz |
| Young's Modulus (E) | 53.07 GPa |
| Shear Modulus (G) | 25.4 GPa |
| Bulk Modulus (K) | 56.4 GPa |
| Apparent Elastic Limit | 26.9 MPa (3900 psi) |
| Poisson Ratio | 0.343 |
| Chemical Properties | |
| Solubility | 0.0017 g in 100g water at 23°C |
| Molecular Weight | 175.36 g/mole |
| Structure | Cubic Crystal |
| Cleavage Plane | (111) |
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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