Thaum txiav txim siab ntawm lub teeb pom kev zoo thiab lub lens bi-convex, ob qho tib si uas ua rau lub teeb pom kev sib tsoo, feem ntau nws yog qhov zoo dua los xaiv lub lens plano-convex yog tias qhov xav tau qhov magnification yog tsawg dua 0.2 lossis ntau dua 5. Nyob nruab nrab ntawm ob qhov txiaj ntsig no, cov lo ntsiab muag bi-convex feem ntau nyiam.
Vim nws txoj kev sib kis dav dav (2 - 16 µm) thiab cov khoom siv tshuaj ruaj khov, Germanium yog qhov zoo rau kev siv IR laser, nws zoo heev rau kev ruaj ntseg, kev ua tub rog thiab kev siv duab. Txawm li cas los Ge's kis tau tus mob yog qhov kub thiab txias; Qhov tseeb, qhov nqus tau dhau los ua qhov loj heev uas cov germanium yuav luag opaque ntawm 100 ° C thiab tsis-transmissive ntawm 200 ° C.
Paralight Optics muaj Germanium (Ge) Plano-convex (PCX) Lenses muaj nrog broadband AR txheej rau 8 µm txog 12 μm spectral ntau yam tso rau ntawm ob qhov chaw. Cov txheej no zoo heev txo qhov siab ntawm qhov pom ntawm lub substrate, ua rau qhov nruab nrab kis tau tus mob ntau dua 97% dhau ntawm tag nrho AR txheej. Xyuas cov Graphs rau koj cov ntaub ntawv siv.
Germanium (zeeg)
Uncoated los yog nrog DLC & Antireflective Coatings Optimized rau 8 - 12 μm Ntau
Muaj los ntawm 15 mus rau 1000 mm
Zoo heev rau kev ruaj ntseg, tub rog, thiab kev siv duab
Cov khoom siv substrate
Germanium (zeeg)
Hom
Plano-Convex (PCX) Lens
Index ntawm Refraction
4.003 @ 10.6 m
Abbe Number (Vd)
Tsis tau txhais
Thermal Expansion Coefficient (CTE)
6.1 x 10-6/ ℃
Txoj kab uas hla Tolerance
Precision: +0.00/-0.10mm | Siab Precision: +0.00/-0.02mm
Thickness kam rau ua
Precision: +/- 0.10 hli | High Precision: +/- 0.02 hli
Focal Length kam rau ua
+/- 1%
Surface Quality (Scratch-Dig)
Nqe: 60-40 | High Precision: 40-20
Nto Flatness (Plano Sab)
hl/4
Spherical Surface Power (Convex Sab)
3 hl/4
Deg Irregularity (Peak rau Valley)
hl/4
Qhov chaw
Qhov tseeb:<3 arcmin | High Precision: <30 arcsec
Clear Aperture
> 80% ntawm txoj kab uas hla
AR Txheej ntau yam
8-12 hli
Kev xa tawm dhau txheej txheej (@ 0 ° AOI)
Tavg> 94%, Tabs> 90%
Reflectance dhau txheej txheej (@ 0 ° AOI)
Ravg<1%, Rab<2%
Tsim Wavelength
10,6m ib
Laser Damage Threshold
0.5 J / cm2(1 ns, 100 Hz, @ 10.6 μm)