Germanium gẹgẹbi okuta mono kan ni akọkọ ti a lo ni ologbele-adaorin kii ṣe gbigba ni 2μm si awọn agbegbe 20μm IR.O ti wa ni lilo nibi bi ẹya opitika ẹyaapakankan fun IR agbegbe awọn ohun elo.
Germanium jẹ ohun elo atọka giga ti o lo lati ṣe iṣelọpọ Attenuated Total Reflection (ATR) prisms fun spectroscopy.Awọn oniwe-refractive atọka jẹ iru awọn ti Germanium mu ki ohun doko adayeba 50% beamsplitter lai awọn nilo fun ti a bo.Germanium tun jẹ lilo lọpọlọpọ bi sobusitireti fun iṣelọpọ awọn asẹ opiti.Germanium bo gbogbo ẹgbẹ 8-14 micron gbona ati pe a lo ninu awọn eto lẹnsi fun aworan igbona.Germanium le jẹ AR ti a bo pẹlu Diamond ti n ṣe agbejade opiti iwaju ti o lagbara pupọju.
Germanium ti dagba nipa lilo ilana Czochralski nipasẹ nọmba kekere ti awọn aṣelọpọ ni Bẹljiọmu, AMẸRIKA, China ati Russia.Atọka itusilẹ ti Germanium yipada ni iyara pẹlu iwọn otutu ati pe ohun elo naa di akomo ni gbogbo awọn gigun gigun diẹ diẹ sii ju 350K bi aafo ẹgbẹ ti n ṣan omi pẹlu awọn elekitironi gbona.
Ohun elo:
Apẹrẹ fun awọn ohun elo IR nitosi
• Broadband 3 si 12 μm anti-reflection bo
• Apẹrẹ fun awọn ohun elo to nilo kekere pipinka
• Nla fun agbara kekere CO2 lesa awọn ohun elo
Ẹya ara ẹrọ:
Awọn ferese germanium wọnyi ko tan kaakiri ni agbegbe 1.5µm tabi isalẹ, nitorinaa ohun elo akọkọ rẹ wa ni awọn agbegbe IR.
• Germanium windows le ṣee lo ni orisirisi infurarẹẹdi adanwo.
Iwọn gbigbe: | 1.8 si 23 μm (1) |
Atọka itọka: | 4.0026 ni 11 μm (1) (2) |
Ipadanu Iṣaro: | 53% ni 11 μm (Awọn ipele meji) |
Iṣatunṣe gbigba: | <0.027 cm-1@ 10.6 μm |
Oke Reststrahlen: | n/a |
dn/dT : | 396 x 10-6/°C (2)(6) |
dn/dμ = 0 : | Fere ibakan |
Ìwúwo: | 5,33 g/cc |
Oju Iyọ: | 936°C (3) |
Imudara Ooru: | 58,61 W m-1 K-1ni 293K (6) |
Imugboroosi Gbona: | 6.1 x10-6/°C ni 298K (3)(4)(6) |
Lile: | Kopa 780 |
Agbara Ooru kan pato: | 310 J kg-1 K-1(3) |
Dielectric Constant: | 16.6 ni 9.37 GHz ni 300K |
Modulu ọdọ (E): | 102.7 GPA (4) (5) |
Modulu Shear (G): | 67 GPA (4) (5) |
Modulu olopobobo (K): | 77.2 GPA (4) |
Awọn Iṣọkan Rirọ: | C11= 129;C12= 48.3;C44= 67.1 (5) |
Ifilelẹ rirọ ti o han gbangba: | 89.6 MPa (13000 psi) |
Ipin Majele: | 0.28 (4) (5) |
Solubility: | Insoluble ninu omi |
Iwuwo Molikula: | 72.59 |
Kilasi/Eto: | Onigun Diamond, Fd3m |