N-BK7 (CDGM H-K9L)
Lilense tsa Bi-Convex
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 sebakeng se seng le se seng sa substrate e sa koaeloang, ts'ebeliso ea ts'ebetso ea rona e phahameng ea li-multi-layer AR e ntlafatsa phetisetso, e leng ea bohlokoa lits'ebetsong tsa khanya e tlaase, le ho 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 tse reriloeng. e lokelang ho 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.
Likaroloana:
Boitsebiso:
CDGM H-K9L
Wavelength Range:
330 nm - 2.1 μm (E sa koaheloa)
E teng:
E sa koahetsoeng kapa e nang le AR Coatings kapa laser line V-Coating ea 633nm, 780nm kapa 532/1064nm
Bolelele ba Tsepamiso:
E fumaneha ho tloha ho 10.0 mm ho isa ho 1.0 m
Positive Focal Length:
E ka sebelisoa ho Finite Conjugates
Lisebelisoa:
E loketse Likopo tse ngata tse Feletseng tsa ho Imaging
Litlhaloso Tse Tloaelehileng:
Reference Drawing bakeng sa
Lense ea Plano-convex (PCX)
Dia: Diameter
F: Bolelele ba Tsepamiso
ff: Bolelele ba Focal Length
fb: Back Focal Length
R: Radius
tc: Botenya ba lense
te: Botenya ba moeli
H”: Sefofane se ka Morao
Tlhokomeliso: Bolelele ba ho tsepamisa maikutlo bo lekantsoe ho tloha sefofaneng se ka morao, se sa boleleng ho lekana le botenya ba moeli.
Mekhahlelo
Ranges & Tolerances
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Substrate Material
N-BK7 (CDGM H-K9L)
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Mofuta
Lense ea Plano-Convex (PCV)
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Index of Refraction (nd)
1.5168
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Nomoro ea Abbe (Vd)
64.20
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Thermal Expansion Coefficient (CTE)
7.1 x 10-6/℃
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Mamello ea Diameter
Precison: +0.00/-0.10mm |Ho nepahala ho Phahameng: +0.00/-0.02mm
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Botenya Mamello
Precison: +/-0.10 limilimithara |Ho nepahala ho Phahameng: +/-0.02 mm
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Mamello ea Bolelele ba Tsepamiso
+/- 1%
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Boleng ba Bokaholimo (Scratch-Dig)
Boemo: 60-40 |Ho nepahala ho Phahameng: 40-20
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Bophahamo ba Bokaholimo (Lehlakore la Plano)
λ/4
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Spherical Surface Power (Lehlakore la Convex)
3 λ/4
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Irregularity ea holim'a metsi (Peak to Valley)
λ/4
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Setsi
Precison:<3 arcmin |Ho nepahala ho Phahameng: <30 arcsec
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Aperture e Hlakileng
90% ea Diameter
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AR Coating Range
Sheba tlhaloso e ka holimo
-
Phetiso ea Coating Range (@ 0° AOI)
Tavg > 92% / 97% / 97%
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Ponahatso holim'a Coating Range (@ 0° AOI)
Ravg<0.25%
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Moqapi oa Wavelength
587.6 nm
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Sekhahla sa Tšenyo ea Laser
>7.5 J/cm2(10ns, 10Hz,@532nm)
Kerafo
♦ Mokokotlo oa phetisetso ea substrate e sa koahetsoeng ea NBK-7: phetiso e phahameng ho tloha 0.33 µm ho ea 2.1 μm
♦ Papiso ea reflectivity curve ea AR-coated NBK-7 ka mefuta e fapaneng ea spectral ranges (Mekhoa e bontša hore liphahlo tsa AR li fana ka ts'ebetso e ntle bakeng sa li-angles of incidence (AOI) pakeng tsa 0 ° le 30 °, liphahlo tsa Broadband li na le mokhoa o tloaelehileng oa ho monya 0.25%)
