Zinc Selenide
Lilense tse mpe tsa Meniscus
Ha e sebelisoa ho fapolla leseli lits'ebetsong tse holisang khanya, bokaholimo ba concave bo lokela ho shebana le sepakapaka ho fokotsa phallo e chitja. Ha e sebelisoa hammoho le lense e 'ngoe, lense e mpe ea meniscus e tla eketsa bolelele ba tsepamiso le ho fokotsa sebaka sa lipalo (NA) sa tsamaiso.
Lilense tsa ZnSe li loketse ts'ebeliso ea lasers ea CO2 ka lebaka la litšobotsi tse ntle tsa ho nka litšoantšo le khanyetso e phahameng ea mocheso oa mocheso. Paralight Optics e fana ka lilense tse mpe tsa Zinc Selenide (ZnSe) tsa meniscus tse mpe, lilense tsena li fokotsa NA ea sistimi ea optical mme li fumaneha ka sekoaelo sa anti-reflection se sephara, se ntlafalitsoeng bakeng sa 8 µm ho isa ho 12 μm spectral range e behiloeng holim'a libaka le lihlahisoa. phetisetso e akaretsang e fetang 97% holima mefuta eohle ea likhoele tsa AR.
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 -40 ho isa ho -1000 mm
Kopo:
Ho fokotsa NA ea Sisteme ea Optical
Litlhaloso Tse Tloaelehileng:
Reference Drawing bakeng sa
Lense ea Meniscus e mpe
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 hlokeng hore se tsamaisane le botenya ba moeli.
Mekhahlelo
Ranges & Tolerances
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Substrate Material
Laser-Grade Zinc Selenide (ZnSe)
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Mofuta
Lense ea Meniscus e mpe
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Index ea Refraction
2.403 @10.6 µm
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Nomoro ea Abbe (Vd)
Ha e hlalosoe
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Thermal Expansion Coefficient (CTE)
7.1x10-6/℃ 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
+/- 1%
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Boleng ba Bokaholimo (Scratch-Dig)
Boemo: 60-40 | Ho nepahala ho Phahameng: 40-20
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Spherical Surface Power
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
80% ea Diameter
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AR Coating Range
8 - 12 μm
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Ponahatso holim'a Mekhahlelo ea Coating (@ 0° AOI)
Ravg<1.5%
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Phetiso ea Coating Range (@ 0° AOI)
Tavg > 97%
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Moqapi oa Wavelength
10.6 μm
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Senyako sa Tšenyo ea Laser (Se huleloa)
5 J/cm2(100 ns, 1 Hz, @10.6μm)
Kerafo
♦ Mokokotlo oa phetisetso oa botenya ba 5 mm, botenya ba ZnSe substrate: phetiso e phahameng ho tloha ho 0.16 µm ho ea ho 16 μm
♦ Mokokotlo oa phetisetso oa Window ea ZnSe e botenya ba limilimitara tse 5: Tavg > 97% ho feta 8 µm - 12 μm
