N-BK7 ke borosilicate crown optical glass e sebelisoang haholo ka ponahalo le NIR spectrum, e atisa ho khethoa neng kapa neng ha melemo e eketsehileng ea silika e kopantsoeng ea UV (ke hore, phetisetso e ntle ho feta UV le coefficient e tlaase ea ho atolosa mocheso) ha e hlokahale. Re ikhethela ho sebelisa thepa e ts'oanang ea Sechaena ea CDGM H-K9L ho nkela N-BK7 sebaka.
Paralight Optics e fana ka lilense tsa N-BK7 (CDGM H-K9L) Bi-Convex tse nang le likhetho tsa masela a sa koaeloang kapa a antireflection (AR), a fokotsang khanya ea khanya e hlahang sebakeng se seng le se seng sa lense. Kaha hoo e ka bang 4% ea leseli la ketsahalo e bonahala karolong e 'ngoe le e' ngoe ea substrate e sa koaeloang, ts'ebeliso ea lisebelisoa tsa rona tse ngata tsa AR tse nang le lisebelisoa tse ngata li ntlafatsa phetisetso, e leng ea bohlokoa lits'ebetsong tse fokolang, 'me e thibela liphello tse sa rateheng (mohlala, litšoantšo tsa ghost) tse amanang le maikutlo a mangata. Ho ba le li-optics tse nang le liphahlo tsa AR tse ntlafalitsoeng bakeng sa mefuta e fapaneng ea 350 - 700 nm, 650 - 1050 nm, 1050 - 1700 nm e kentsoeng libakeng tseo ka bobeli. Ho roala hona ho fokotsa haholo ponahalo e phahameng ea bokaholimo ba karolo e ka tlase ho 0.5% sebakeng se le seng, ho fana ka phetisetso e phahameng ea karolelano ho pholletsa le mefuta eohle ea li-angles tsa incidence (AOL) lipakeng tsa 0 ° le 30 ° (0.5 NA), Bakeng sa lisebelisoa tsa mahlo tse reriloeng. e tla sebelisoa ka mahlakoreng a maholo a liketsahalo, nahana ka ho sebelisa seaparo se tloaelehileng se ntlafalitsoeng ka lehlakoreng la 45° la liketsahalo; 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 10.0 mm ho isa ho 1.0 m
E ka sebelisoa ho Finite Conjugates
E loketse Likopo tse ngata tse Feletseng tsa ho Imaging
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)