AgGaSe2 kristal - Band Edges na 0.73 na 18 µm
Nkọwa ngwaahịa
Ntugharị n'ime 2.5-12 µm enwetara mgbe ị na-agbapụta site na Ho:YLF laser na 2.05 µm;yana arụ ọrụ na-adịghị oke egwu (NCPM) n'ime 1.9-5.5 µm mgbe ị na-agbapụta na 1.4-1.55 µm.Egosiputara AgGaSe2 (AgGaSe) ka ọ bụrụ kristal ugboro abụọ na-arụ ọrụ nke ọma maka radieshon CO2 infrared.
Site n'ịrụ ọrụ na nchikota na azụmahịa dị na synchronously-pumped optical parametric oscillators (SPOPOs) na femtosecond na picosecond regime, AgGaSe2 kristal egosila na ọ dị irè na ngbanwe parametric na-adịghị ahụ anya (ọgbọ dị iche iche, DGF) na mpaghara Mid-IR.Igwe kristal AgGaSe2 dị n'etiti IR nwere otu n'ime ọnụ ọgụgụ kachasị mma (70 pm2/V2) n'etiti kristal ndị a na-enweta azụmaahịa, nke ji okpukpu isii karịa nke AGS.AgGaSe2 dịkwa mma karịa kristal etiti IR ndị ọzọ maka ọtụtụ ihe kpatara ya.Dịka ọmụmaatụ, AgGaSe2 nwere nkwụsị ohere dị ala ma ọ dị obere ka a ga-agwọ ya maka ngwa ndị akọwapụtara (mmụba na ịkpụ ntụ, dịka ọmụmaatụ), n'agbanyeghị na ọ nwere nnukwu enweghị usoro na mpaghara nghọta nhata.
Ngwa
● Ọgbọ nke abụọ harmonics na CO na CO2 - lasers
● Oscilator parametric oscilator
● Igwe ọkụ ọkụ dị iche iche na mpaghara infrared etiti ruo 17 mkm.
● Ngwakọta ugboro ugboro na mpaghara IR etiti
Njirimara ndị bụ isi
Ọdịdị kristal | Tetragonal |
Oke mkpụrụ ndụ | a=5.992 Å, c=10.886 Å |
Ebe Na-agbaze | 851 Celsius C |
Njupụta | 5.700 g / cm3 |
Mohs ike | 3-3.5 |
Ọnụọgụ absorption | <0.05 cm-1 @ 1.064 µm <0.02 cm-1 @ 10.6 µm |
Ọdịiche Dielectric Constant @ 25 MHz | ε11s=10.5 ε11t=12.0 |
Mgbasawanye okpomọkụ Ọnụọgụ | ||C: -8.1 x 10-6 /°C ⊥C: +19.8 x 10-6 /°C |
Nrụpụta okpomọkụ | 1.0 W/M/°C |