ZnSe wani nau'in rawaya ne kuma m mulit-cystal abu, girman ƙwayar kristal yana kusan 70um, kewayon watsawa daga 0.6-21um shine kyakkyawan zaɓi don aikace-aikacen IR iri-iri ciki har da tsarin laser CO2 mai ƙarfi.
Zinc Selenide yana da ƙarancin sha na IR.Wannan yana da fa'ida don hoto na thermal, inda ake gano yanayin zafi na abubuwa masu nisa ta hanyar bakan su na baƙar fata.Tsawon tsayin tsayi yana da mahimmanci don yin hoton abubuwan zafin ɗakin, waɗanda ke haskakawa a tsayin tsayin tsayin kusan μm 10 tare da ƙarancin ƙarfi.
ZnSe yana da babban ginshiƙi na refraction wanda ke buƙatar abin rufe fuska don cimma babban watsawa.An inganta murfin mu na AR Broadband don 3 μm zuwa 12 μm.
Abun Znse da aka yi ta hanyar shigar da tururin sinadarai (CVD) a zahiri ba shi da ƙazantar ƙazanta, lalacewar watsawa ta yi ƙasa sosai.Saboda ƙarancin ƙarancin haske don tsayin 10.6um, don haka ZnSe shine kayan zaɓi na farko don yin abubuwan gani na tsarin laser Co2 mai ƙarfi.Bugu da ƙari kuma ZnSe wani nau'i ne na kayan da aka saba amfani da shi don tsarin gani daban-daban a gabaɗayan igiyoyin watsawa.
Ana samar da Zinc Selenide ta hanyar kira daga Zinc vapor da H2Se gas, wanda ke zama a matsayin zanen gado akan abubuwan da suka shafi Graphite.Zinc Selenide shine microcrystalline a cikin tsari, ana sarrafa girman hatsi don samar da matsakaicin ƙarfi.ZnSe crystal guda ɗaya yana samuwa, amma ba kowa ba ne amma an ba da rahoton cewa yana da ƙananan sha kuma don haka ya fi tasiri ga CO2 optics.
Zinc Selenide oxidizes mahimmanci a 300 ° C, yana nuna nakasar filastik a kusan 500 ° C kuma yana rarraba kusan 700 ° C.Don aminci, bai kamata a yi amfani da tagogin Zinc Selenide sama da 250 ° C a cikin yanayi na al'ada ba.
Aikace-aikace:
• Mafi dacewa don aikace-aikacen laser CO2 mai ƙarfi
• 3 zuwa 12 μm broadband IR antireflection shafi
• Ba a ba da shawarar abu mai laushi don yanayi mara kyau ba
• High da low ikon Laser,
• tsarin laser,
• ilimin likitanci,
• ilmin taurari da hangen nesa na dare IR.
Siffofin:
• Ƙananan lalacewa.
• Matsakaicin ƙarancin sha na IR
• Mai tsananin juriya ga girgizar zafi
• Low watsawa da ƙananan sha coefficient
Nisan watsawa: | 0.6 zuwa 21.0 μm |
Fihirisar Refractive: | 2.4028 a 10.6 μm |
Asarar Tunani: | 29.1% a 10.6 μm (2 saman) |
Abun Ciki: | 0.0005 cm-1 a 10.6 μm |
Mafi Girma: | 45.7m ku |
dn/dT: | +61 x 10-6/°C a 10.6 μm a 298K |
dn/dμ = 0: | 5.5m ku |
Yawan yawa: | 5.27 g/c |
Wurin narkewa: | 1525°C (duba bayanin kula a ƙasa) |
Ƙarfafa Ƙarfafawa: | 18W m-1 K-1 a 298K |
Fadada thermal: | 7.1 x 10-6 /°C a 273K |
Tauri: | Knoop 120 tare da 50g indenter |
Takamaiman Ƙarfin Zafi: | 339 J Kg-1 K-1 |
Dielectric Constant: | n/a |
Matasa Modulus (E): | 67.2 GPA |
Shear Modulus (G): | n/a |
Babban Modul (K): | 40 GPA |
Ƙimar Ƙarfafawa: | Babu |
Halin kewayon roba: | 55.1 MPa (8000 psi) |
Rabon Poisson: | 0.28 |
Solubility: | 0.001g/100g ruwa |
Nauyin Kwayoyin Halitta: | 144.33 |
Class/Tsarin: | FCC Cubic, F43m (#216), Tsarin Blende na Zinc.(Polycrystalline) |