Zinc Selenide (ZnSe)
Lilense tsa Plano-Concave
Lilense tsa Plano-concave li sebetsa hantle ha ntho le setšoantšo li le ka har'a li-conjugate ratios, tse kholo ho feta 5:1 kapa ka tlase ho 1:5.Tabeng ena, hoa khoneha ho fokotsa ho ferekana ha spherical, coma, le ho khopama.Joalo ka lilense tsa plano-convex, ho fihlela katleho e kholo, bokaholimo bo kobehileng bo lokela ho shebana le sebaka se seholohali sa ntho kapa conjugate e sa feleng ho fokotsa tšitiso ea spherical (ntle le ha e sebelisoa ka li-laser tse matla haholo moo sena se lokelang ho khutlisoa ho felisa monyetla oa ho ba teng. tsepamisa).
Lilense tsa ZnSe li loketse ka ho khetheha bakeng sa tšebeliso ea matla a phahameng a CO kapa CO2 lasers.Ho phaella moo, ba ka 'na ba fana ka phetisetso e lekaneng sebakeng se bonahalang ho lumella ho sebelisoa ha lebanta le bonahalang la ho tsamaisana, le hoja litšoantšo tsa morao li ka' na tsa bonahala haholoanyane.Paralight Optics e fana ka Lilense tsa Zinc Selenide (ZnSe) Plano-Concave (PCV) tse fumanehang ka sekontiri se sephara sa AR se ntlafalitsoeng bakeng sa 2 µm - 13 μm kapa 4.5 - 7.5 μm kapa 8 - 12 μm spectral range e kentsoeng libakeng tse peli.Ho roala hona ho fokotsa haholo ponahalo e phahameng ea bokaholimo ba karoloana, ho fana ka phetiso e tloaelehileng e fetang 92% kapa 97% ho pholletsa le mefuta eohle ea AR.Sheba li-graph bakeng sa litšupiso tsa hau.
Likaroloana:
Boitsebiso:
Zinc Selenide (ZnSe)
Khetho ea ho Koahela:
E sa koahetsoeng kapa e nang le Antireflection Coatings
Bolelele ba Tsepamiso:
E fumaneha ho tloha ho -25.4 mm ho ea ho -200 mm
Lisebelisoa:
E nepahetse bakeng sa lits'ebetso tsa Laser tsa MIR Ka lebaka la Monyetla o tlase oa ho monya
Litlhaloso Tse Tloaelehileng:
Reference Drawing bakeng sa
Lense ea Plano-Concave (PCV)
f: Bolelele ba Tsepamiso
fb: Back Focal Length
R: Radius ea Curvature
tc: Botenya ba Bohareng
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
Zinc Selenide (ZnSe)
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Mofuta
Lense ea Plano-Convex (PCV)
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Index ea Refraction
2.403 @ 10.6 μm
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Nomoro ea Abbe (Vd)
Ha e hlalosoa
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Thermal Expansion Coefficient (CTE)
7.6x10-6/℃ ho 273K
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Mamello ea Diameter
Precison: +0.00/-0.10mm |Ho nepahala ho Phahameng: +0.00/-0.02mm
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Mamello ea Botenya ba Setsi
Precison: +/-0.10 limilimithara |Ho nepahala ho Phahameng: +/-0.02 mm
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Mamello ea Bolelele ba Tsepamiso
+/-0.1%
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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/10
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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:< 5 arcmin |Ho nepahala ho Phahameng:<30 arcsec
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Aperture e Hlakileng
80% ea Diameter
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AR Coating Range
2 µm - 13 μm / 4.5 - 7.5 μm / 8 - 12 μm
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Phetiso ea Coating Range (@ 0° AOI)
Tavg > 92% / 97% / 97%
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Ponahatso holim'a Coating Range (@ 0° AOI)
Ravg<3.5%
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Moqapi oa Wavelength
10.6 µm
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Sekhahla sa Tšenyo ea Laser
5 J/cm2 (100 ns, 1 Hz, @10.6 µm)
Kerafo
♦ Mokokotlo oa phetiso oa 10 mm botenya, o sa koaheloa oa ZnSe substrate: phetiso e phahameng ho tloha ho 0.16 µm ho ea ho 16 μm
♦ Mokokotlo oa phetisetso oa fensetere ea ZnSe ea 5mm AR-coated: Tavg > 92% holim'a sebaka sa 2 µm - 13 μm
♦ Mokokotlo oa phetisetso oa 2.1 mm botenya ba AR-coated ZnSe: Tavg > 97% ho feta 4.5 µm - 7.5 μm
♦ Mokokotlo oa phetisetso oa 5 mm botenya ba AR-coated ZnSe: Tavg > 97% ho feta 8 µm - 12 μm
Phetisetso Curve ea 5mm AR-coated (2 µm - 13 μm) ZnSe Substrate
Koko ea phetiso ea 2.1 mm botenya ba AR-coated (4.5 µm - 7.5 μm) Lense ea ZnSe ho Ketsahalo e Tloaelehileng
