ZnGeP2 - Cikakken Infrared Optics marasa kan layi
Bayanin Samfura
Saboda waɗannan kaddarorin na musamman, an san shi a matsayin ɗayan mafi kyawun kayan aiki don aikace-aikacen gani mara kyau. ZnGeP2 na iya samar da 3-5 μm ci gaba da kunna Laser wanda aka fitar ta hanyar fasahar oscillation na gani (OPO). Lasers, aiki a cikin taga watsawar yanayi na 3-5 μm suna da matukar mahimmanci ga aikace-aikace da yawa, kamar ma'aunin infrared, saka idanu na sinadarai, na'urar likitanci, da ji mai nisa.
Za mu iya bayar da high Tantancewar ingancin ZnGeP2 tare da musamman low sha coefficient α <0.05 cm-1 (a famfo raƙuman ruwa 2.0-2.1 µm), wanda za a iya amfani da su samar da tsakiyar-infrared tunable Laser tare da high dace ta hanyar OPO ko OPA tafiyar matakai.
Karfin mu
An ƙirƙiri Fasahar Filin Zazzabi mai ƙarfi don haɗa ZnGeP2 polycrystalline. Ta wannan fasaha, fiye da 500g babban tsarki ZnGeP2 polycrystalline tare da manyan hatsi an haɗa su a cikin gudu ɗaya.
Hanyar daskare a kwance a haɗe tare da Fasahar Necking Directional (wanda zai iya rage yawan rarrabuwar kawuna da kyau) an yi nasarar amfani da shi zuwa haɓakar ZnGeP2 mai inganci.
ZnGeP2 mai inganci mai girman kilogram tare da mafi girman diamita na duniya (Φ55 mm) an samu nasarar girma ta hanyar Tsararren Gradient Freeze.
The surface roughness da flatness na crystal na'urorin, kasa da 5Å da 1/8λ bi da bi, an samu ta mu tarko lafiya surface fasaha fasahar.
Maɓallin kusurwa na ƙarshe na na'urorin kristal bai wuce digiri 0.1 ba saboda aikace-aikacen daidaitaccen daidaitawa da madaidaitan dabarun yanke.
Na'urorin da ke da kyakkyawan aiki an samu su saboda girman ingancin lu'ulu'u da fasaha na fasaha mai mahimmanci (An samar da 3-5μm tsakiyar infrared tunable Laser tare da ingantaccen juzu'i fiye da 56% lokacin da aka yi amfani da shi ta hanyar haske na 2μm. tushe).
Ƙungiyar binciken mu, ta hanyar ci gaba da bincike da fasaha na fasaha, sun sami nasarar ƙware fasahar haɗakarwa na ZnGeP2 polycrystalline mai girma, fasahar girma da girman girman ZnGeP2 da kristal daidaitawa da fasaha mai mahimmanci; na iya samar da na'urorin ZnGeP2 da lu'ulu'u na asali kamar yadda aka girma a cikin ma'auni mai yawa tare da babban daidaituwa, ƙarancin sha, kwanciyar hankali mai kyau, da ingantaccen juzu'i. A lokaci guda, mun kafa dandali na gwajin aikin kristal wanda ke ba mu damar samar da sabis na gwaji na kristal ga abokan ciniki.
Aikace-aikace
● Na biyu, na uku, da na huɗu na jituwa na CO2-laser
● Ƙwararrun ma'auni na gani tare da yin famfo a tsawon 2.0 µm
● Ƙarfin jituwa na biyu na CO-laser
● Samar da radiyo mai daidaituwa a cikin kewayon 70.0 µm zuwa 1000 µm
● Ƙirƙirar haɗin haɗin kai na CO2- da CO-laser radiation da sauran lasers suna aiki a cikin yankin nuna gaskiya.
Basic Properties
| Chemical | ZnGeP2 |
| Crystal Symmetry da Class | tetragonal, -42m |
| Lattice Parameters | a = 5.467 Å c = 12.736 Å |
| Yawan yawa | 4.162 g/cm3 |
| Mohs Hardness | 5.5 |
| Matsayin gani | Kyakkyawan uniaxial |
| Tsawon Watsawa Mai Amfani | 2.0 - 10.0 um |
| Thermal Conductivity @T= 293 K | 35 W/m∙K (⊥c) 36 W/m∙K ( ∥ c) |
| Thermal Fadada @T = 293 K zuwa 573 K | 17.5 x 106 K-1 (⊥c) 15.9 x 106 K-1 (∥ c) |
Ma'aunin Fasaha
| Haƙuri na Diamita | +0/-0.1 mm |
| Haƙuri Tsawon | ± 0.1 mm |
| Hakuri da kai | <30 cikon |
| ingancin saman | 20-10 SD |
| Lalata | <λ/4@632.8 nm |
| Daidaituwa | <30 sakan |
| Daidaitawa | <5 cikon |
| Chamfer | <0.1mm x 45° |
| Kewayon bayyana gaskiya | 0.75 - 12.0 ?m |
| Ƙididdiga marasa kan layi | d36 = 68.9 pm/V (a 10.6μm) d36 = 75.0 pm/V (a 9.6 μm) |
| Matsakaicin lalacewa | 60 MW/cm2 ,150ns@10.6μm |
