{"id":228,"date":"2024-12-19T17:57:40","date_gmt":"2024-12-19T09:57:40","guid":{"rendered":"https:\/\/www.bihec.com\/korthkristalle\/?p=228"},"modified":"2024-12-19T17:57:40","modified_gmt":"2024-12-19T09:57:40","slug":"%e9%80%8f%e5%b0%84%e9%95%9c%e7%89%87%e6%9d%90%e6%96%99%e6%b0%9f%e5%8c%96%e9%92%a1barium-fluoride-baf2fresnel-technologies-inc%e5%85%89%e5%ad%a6%e9%80%8f%e9%95%9c%ef%bc%8c%e7%ba%a2%e5%a4%96","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/korthkristalle\/%e9%80%8f%e5%b0%84%e9%95%9c%e7%89%87%e6%9d%90%e6%96%99%e6%b0%9f%e5%8c%96%e9%92%a1barium-fluoride-baf2fresnel-technologies-inc%e5%85%89%e5%ad%a6%e9%80%8f%e9%95%9c%ef%bc%8c%e7%ba%a2%e5%a4%96\/","title":{"rendered":"\u900f\u5c04\u955c\u7247\u6750\u6599,\u6c1f\u5316\u94a1Barium Fluoride (BaF2),Fresnel Technologies, Inc\u5149\u5b66\u900f\u955c\uff0c\u7ea2\u5916\u6750\u6599"},"content":{"rendered":"

\u900f\u5c04\u955c\u7247\u6750\u6599<\/a> \u6c1f\u5316\u94a1Barium Fluoride (BaF2)<\/a><\/h1>\n

\n

\u900f\u5c04\u955c\u7247\u6750\u6599 \u2014\u00a0\u6c1f\u5316\u94a1Barium Fluoride (BaF2)<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Transmission Range<\/td>\n0.14 \u2013 14 (thickness 2mm)\u00a0\u00b5m<\/td>\n<\/tr>\n
Refractive Index<\/td>\n1.47326 @633 nm<\/td>\n<\/tr>\n
Reflection Loss<\/td>\n3.4% @4 \u00b5m;<\/td>\n<\/tr>\n
Residual Beam Wavelength<\/td>\n47 \u00b5m<\/td>\n<\/tr>\n
Density<\/td>\n4.89 g\/cm3<\/sup><\/td>\n<\/tr>\n
Melting point<\/td>\n1368\u00b0C<\/td>\n<\/tr>\n
Molecular Weight<\/td>\n175.36<\/td>\n<\/tr>\n
Thermal Conductivity<\/td>\n10.9 W\/(m\u00b7K) @305K<\/td>\n<\/tr>\n
Spec. Heat Capacity<\/td>\n410 J\/(kg\u00b7K)<\/td>\n<\/tr>\n
Thermal Expansion<\/td>\n18.4 \u00b7 10-6<\/sup>\/K (273-573K)<\/td>\n<\/tr>\n
Hardness (Mohs)<\/td>\n82 (load 500g)<\/td>\n<\/tr>\n
Young\u2019s Modulus<\/td>\n53.07 GPa<\/td>\n<\/tr>\n
Shear Modulus<\/td>\n25.4 GPa<\/td>\n<\/tr>\n
Bulk Modulus<\/td>\n57.8 GPa<\/td>\n<\/tr>\n
Fracture Modulus<\/td>\n26.9 MPa<\/td>\n<\/tr>\n
Elastic Coefficient<\/td>\nC11<\/sub>\u00a0= 91; C12<\/sub>\u00a0= 41.2; C44<\/sub>\u00a0= 25.3 GPa<\/td>\n<\/tr>\n
Dielectric Constant<\/td>\n7.33 @f = 2 MHz<\/td>\n<\/tr>\n
Solubility in Water<\/td>\n0.16 g\/100g @25\u00b0C<\/td>\n<\/tr>\n
Crystal Structure<\/td>\nsingle crystal, synthetic<\/td>\n<\/tr>\n
Crystal Type<\/td>\ncubic, CaF2 type structure, a=6.2\u00c5<\/td>\n<\/tr>\n
Cleavage Planes<\/td>\n(111)<\/td>\n<\/tr>\n
Poisson Ratio<\/td>\n0.31<\/td>\n<\/tr>\n
Application<\/td>\nScintillator, IR optics<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Optical components for all wavelengths\u00a0,\u5149\u5b66\u7ec4\u4ef6<\/a><\/p><\/blockquote>\n