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 |