Lense e 'ngoe le e' ngoe ea N-BK7 e ka fanoa ka 532/1064 nm, 633 nm, kapa 780 nm laser line V-coating. The V-coating ke multilayer, anti-reflective, dielectric thin-film coating e etselitsoeng ho finyella ponahalo e fokolang holim'a sehlopha se moqotetsane sa wavelengths. Ponahatso e phahama ka potlako mahlakoreng ka bobeli a bonyane bona, e fa lekhalo la ponahatso sebopeho sa "V", joalo ka ha ho bonts'itsoe mererong e latelang ea ts'ebetso. Bakeng sa tlhaiso-leseling e batsi mabapi le likhoele tse ling tsa AR joalo ka maqhubu a bolelele ba 350 - 700 nm, 400 - 1100 nm, 650 - 1050 nm, kapa 1050 - 1700nm, ka kopo ikopanye le rona bakeng sa lintlha.
Paralight Optics e fana ka lilense tsa N-BK7 (CDGM H-K9L) Plano-Convex tse nang le likhetho tsa masela a sa koaeloang kapa a antireflection (AR), a fokotsang khanya ea khanya e hlahang holim'a lense ka 'ngoe. Kaha hoo e ka bang 4% ea leseli la ketsahalo e bonahala karolong e 'ngoe le e' ngoe ea substrate e sa koahetsoeng, ts'ebeliso ea liphahlo tsa rona tse ngata tsa AR li ntlafatsa phetisetso, e leng ea bohlokoa lits'ebetsong tse fokolang, 'me e thibela liphello tse sa rateheng (mohlala, litšoantšo tsa ghost) e amanang le menahano e mengata. Ho ba le li-optics tse nang le liphahlo tsa AR tse ntlafalitsoeng bakeng sa mefuta e fapaneng ea 350 - 700 nm, 400 - 1100 nm, 650 - 1050 nm, 1050 - 1700 nm, 1650 - 2100 nm e kentsoeng libakeng tseo ka bobeli. Ho roala hona ho fokotsa haholo ponahatso ea karolelano ea karolo e ka tlase ho 0.5% (Ravg <1.0% bakeng sa mekhahlelo ea 0.4 - 1.1 μm le 1.65 - 2.1 μm) ka holimo, e fana ka phetisetso e phahameng ea karolelano ho pholletsa le mefuta eohle ea li-AR tsa coating bakeng sa li-angles tsa ketsahalo (AOI) lipakeng tsa 0° le 30° (0.5 NA). Bakeng sa lisebelisoa tsa mahlo tse reretsoeng ho sebelisoa ka mahlakoreng a maholo a liketsahalo, nahana ka ho sebelisa seaparo se tloaelehileng se ntlafalitsoeng ka 45° angle ea ketsahalo; seaparo sena se tloaelehileng se sebetsa ho tloha ho 25 ° ho ea ho 52 °. Liaparo tsa Broadband li na le mokhoa o tloaelehileng oa ho monya 0.25%. Sheba Kerafo e latelang bakeng sa litšupiso tsa hau.
CDGM H-K9L
330 nm - 2.1 μm (E sa koaheloa)
E sa koahetsoeng kapa e nang le AR Coatings kapa laser line V-Coating ea 633nm, 780nm kapa 532/1064nm
E fumaneha ho tloha ho 4 ho isa ho 2500 mm
Substrate Material
N-BK7 (CDGM H-K9L)
Mofuta
Lense ea Plano-Convex (PCV)
Index of Refraction (nd)
1.5168
Nomoro ea Abbe (Vd)
64.20
Thermal Expansion Coefficient (CTE)
7.1 x 10-6/℃
Mamello ea Diameter
Precison: +0.00/-0.10mm | Ho nepahala ho Phahameng: +0.00/-0.02mm
Botenya Mamello
Precison: +/-0.10 limilimithara | Ho nepahala ho Phahameng: +/-0.02 mm
Mamello ea Bolelele ba Tsepamiso
+/- 1%
Boleng ba Bokaholimo (Scratch-Dig)
Boemo: 60-40 | Ho nepahala ho Phahameng: 40-20
Bophahamo ba Bokaholimo (Lehlakore la Plano)
λ/4
Spherical Surface Power (Lehlakore la Convex)
3 λ/4
Irregularity ea holim'a metsi (Peak to Valley)
λ/4
Setsi
Precison:<3 arcmin | Ho nepahala ho Phahameng: <30 arcsec
Aperture e Hlakileng
90% ea Diameter
AR Coating Range
Sheba tlhaloso e ka holimo
Phetiso ea Coating Range (@ 0° AOI)
Tavg > 92% / 97% / 97%
Ponahatso holim'a Mekhahlelo ea Coating (@ 0° AOI)
Ravg<0.25%
Moqapi oa Wavelength
587.6 nm
Sekhahla sa Tšenyo ea Laser
7.5 J/cm2(10ns, 10Hz,@532nm)