Zosefera zathu za absorptive neutral density (ND) zimapezeka mosiyanasiyana ndi ma optical densities (OD) kuyambira 0.1 mpaka 8.0. Mosiyana ndi mawonekedwe awo onyezimira, azitsulo, fyuluta iliyonse ya ND imapangidwa kuchokera kugawo la galasi la Schott lomwe lasankhidwa kuti likhale lofanana ndi lathyathyathya m'dera lowoneka kuchokera 400 nm mpaka 650 nm.
Zosefera zosalowerera ndale zowoneka bwino zimapezeka ndi N-BK7 (CDGM H-K9L), UV Fused Silica (JGS 1), kapena gawo lapansi la Zinc Selenide m'mitundu yosiyanasiyana. Zosefera za N-BK7 (CDGM H-K9L) zimakhala ndi gawo la galasi la N-BK7 ndi zokutira zachitsulo (Inconel) zomwe zimayikidwa mbali imodzi, Inconel ndi alloy zitsulo zomwe zimatsimikizira kuyankha kowoneka bwino kuchokera ku UV kupita kufupi ndi IR; Zosefera za silika zophatikizika ndi UV zimakhala ndi gawo lapansi la UVFS ndi zokutira za nickel zomwe zimayikidwa mbali imodzi, zomwe zimapereka kuyankha kosawoneka bwino; Zosefera za ZnSe zosalowerera ndale zimakhala ndi gawo laling'ono la ZnSe (kachulukidwe ka kuwala koyambira pa 0.3 mpaka 3.0) wokhala ndi zokutira faifi kumbali imodzi, zomwe zimatsogolera kukuyankhidwa kosawoneka bwino pamtunda wa 2 mpaka 16 µm kutalika kwa mawonekedwe, chonde onani chithunzi chotsatira pa maumboni anu.
Zopitilira kapena Gawo ND
Mitundu Iwiri ya Zosefera za ND (Neutral Density) Zilipo
Zozungulira kapena Squared
Zosakwera kapena Zokwera zilipo
Zinthu Zapansi
Zoyamwa: Galasi la Schott (Kuyamwa) / Chowunikira: CDGM H-K9L kapena ena
Mtundu
Zosefera za Absorptive/Reflective Neutral Density Selter
Dimension Tolerance
+ 0.0/-0.2mm
Makulidwe
± 0.2 mm
Kusalala
<2λ @ 632.8nm
Kufanana
<5 arcmin
Chamfer
Zoteteza<0.5 mm x 45°
OD Kulekerera
OD ± 10% @ kutalika kwa mawonekedwe
Ubwino wa Pamwamba (kukumba-kumba)
80-50
Khomo Loyera
90%
Kupaka
Zoyamwa: Zokutidwa ndi AR / Zowunikira: Zovala zachitsulo zowunikira