Tuam Tshoj Silicon Lens (Si lens) rau Infrared Applications Tsim thiab Hoobkas

Silicon Lens (Si lens) rau Infrared Applications

Qhov ntev ntawm infraredmuab cov iav silicon hauv qhov ntau thiab tsawg nrov ntawm 10mm txog 200 mm hauv txoj kab uas hla. Cov iav loj dua 200mm kuj tseem tuaj yeem muab tau raws li qhov kev thov. Peb cov txheej txheem AR thiab DLC txheej txheem zoo tshaj plaws rau cov kab hauv 3-5 micron. Qhov ntev ntawm peb cov iav yuav raug tswj kom txog li +/- 1% kev kam rau siab, qhov chaw tiaj tus λ / 4 @ 632.8nm thiab qhov chaw tsis sib xws tsawg dua 0.5 micron.

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Cov Lus Qhia Txog Khoom

Cov Cim Npe Khoom

Cov ntaub ntawv khoom:

Lub lens silicon yog lub lens optical ua los ntawm silicon. Silicon (Si) yog ib yam khoom siv crystalline uas feem ntau siv rau hauv cov kab ke infrared optical uas ua haujlwm hauv 3 txog 5µm spectral band. Nws cov refractive index yog ze li ntawm 3.4 thoob plaws hauv qhov ntau thiab tsawg. Nws muaj qhov sib piv qis ntawm cov khoom siv infrared, uas tsuas yog ib nrab ntawm Ge, GaAs thiab ZnSe. Yog li cov khoom siv silicon yog qhov kev xaiv zoo tshaj plaws rau lub kaw lus uas muaj kev txhawj xeeb txog qhov hnyav. Silicon kuj tseem nyuaj dua thiab pheej yig dua li feem ntau ntawm cov khoom siv infrared, txo cov nqi khoom siv thaum nce tus nqi tsim khoom tib lub sijhawm.

Silicon zoo heev rau kev siv MWIR tab sis vim nws muaj zog nqus tau siab tshaj 6 micron, nws tsis haum rau kev siv LWIR. Nws kuj tseem siv tau ua daim iav substrate rau kev siv laser vim nws cov thermal conductivity, lub teeb yuag, thiab hardness.

Qhov ntev ntawm lub teeb infraredtuaj yeem tsim ntau yam duab ntawm silicon lens nrogdav hlau, concave, convex, aspheric thiab diffractive nto.Silicon yog qhov nrov tshaj plaws rau cov kab ke ua haujlwm hauv thaj tsam 3-5µm spectral, nrog rau cov txheej tiv thaiv kev cuam tshuam (AR txheej), qhov nruab nrab kis tau tuaj yeem coj mus txog 98%. Peb kuj tuaj yeem siv cov txheej txheem carbon zoo li pob zeb diamond (DLC txheej) lossis cov txheej txheem ruaj khov (HD txheej) ntawm qhov chaw lens kom muab kev tiv thaiv ntxiv tiv thaiv khawb thiab kev cuam tshuam.

Qhov ntev ntawm infraredtsim cov iav silicon zoo uas zoo li lub spherical thiab aspheric. Lawv tuaj yeem tsom lossis faib cov teeb ci tuaj kom tau raws li qhov xav tau ntawm lub kaw lus infrared.

Cov Lus Qhia:

Khoom siv	Silicon (Si)
Txoj kab uas hla	10mm-300mm
Duab	Spherical los yog Aspherical
Qhov ntev ntawm qhov muag	+/-1%
Kev faib tawm	<1'
Daim duab nto	<λ/4 @ 632.8nm (Qhov chaw kheej kheej)
Qhov tsis sib xws ntawm qhov chaw	< 0.5 micron (Nto Aspheric)
Qhov Aperture Ntshiab	>90%
Txheej	AR los yog DLC