Zinc Selenide Right Angle Prism

Zinc selenide right angle prism is used to bend the optical path or deflect the image formed by the optical system by 90 °. Its characteristic is high transmittance, with good transmittance in the ultraviolet, visible, and infrared fields. It has low absorption rate and heat resistance to impact, and can maintain stable optical performance even in high temperature environments. Zinc selenide right angle prisms typically have a larger contact area and angles of 45 ° and 90 °, making them easier to install and having better stability and strength against mechanical stress. Applied to combining images and beam shifting. It can be coated with reflective film, anti reflective film, filter film, spectroscopic film, polarizing film, and metallization film systems.

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	Right Angle Edge(mm)	Hypotenuse(mm)	Surface Quality	Surface accuracy
	Screen Reset 50 45 40 35 30 25 20 15 12.5 10 5	Screen Reset 70.7 63.6 56.6 49.5 42.4 35.4 28.3 21.2 17.5 14.1 7.07	Screen Reset 60-40	Screen Reset λ/4@633nm
More+ Less	50	70.7	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 50mm，Hypotenuse 70.7mm Number：PZePRM011 Right Angle Edge(mm)：50 Hypotenuse(mm)：70.7 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	45	63.6	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 45mm，Hypotenuse 63.6mm Number：PZePRM010 Right Angle Edge(mm)：45 Hypotenuse(mm)：63.6 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	40	56.6	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 40mm，Hypotenuse 56.6mm Number：PZePRM009 Right Angle Edge(mm)：40 Hypotenuse(mm)：56.6 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	35	49.5	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 35mm，Hypotenuse 49.5mm Number：PZePRM008 Right Angle Edge(mm)：35 Hypotenuse(mm)：49.5 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	30	42.4	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 30mm，Hypotenuse 42.4mm Number：PZePRM007 Right Angle Edge(mm)：30 Hypotenuse(mm)：42.4 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	25	35.4	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 25mm，Hypotenuse 35.4mm Number：PZePRM006 Right Angle Edge(mm)：25 Hypotenuse(mm)：35.4 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	20	28.3	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 20mm，Hypotenuse 28.3mm Number：PZePRM005 Right Angle Edge(mm)：20 Hypotenuse(mm)：28.3 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	15	21.2	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 15mm，Hypotenuse 21.2mm Number：PZePRM004 Right Angle Edge(mm)：15 Hypotenuse(mm)：21.2 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	12.5	17.5	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 12.5mm，Hypotenuse 17.5mm Number：PZePRM003 Right Angle Edge(mm)：12.5 Hypotenuse(mm)：17.5 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated
More+ Less	10	14.1	60-40	λ/4@633nm
Zinc Selenide Right Angle Prism，Right Angle Edge 10mm，Hypotenuse 14.1mm Number：PZePRM002 Right Angle Edge(mm)：10 Hypotenuse(mm)：14.1 Surface Quality：60-40 Dim Tolerance(mm)：±0.1 Angle tolerance：±1° Substrate Material：Zinc Selenide（ZnSe） Surface accuracy：λ/4@633nm Coating：Uncoated

Material Data
Physical Properties
Crystal Structure	Cubic
Density [g/cm3]	5.27
Resistivity [Ω.cm]	～1012
Melting Point [℃]	1525
Chemical Purity[%]	99.9996
Thermal Expansion [1/K]	7.110-6@273k 7.810-6@373k 8.3*10-8@473k
Thermal Conductivity [J/k.m.s]	18.0@298k
Specific Heat Capacity [J/g.K]	0.339@298k
Knoop Hardness [kg/mm2]	110
Bending Strength [Mpa]	55
Young's Modulus [GPa]	67.2
Poisson's Coefficient	0.28
Optical Properties
Transmission Range	0.5-22μm
Refractive index inhomogeneity [△n/n]	<3*10-6@632.8μm
Absorption Coefficient [1/cm]	5.010-3@1300nm 7.010-4@2700nm 4.010-4@3800nm 4.010-4@5250nm 5.0*10-4@10600nm
Thermal light coefficient [1/k,298-358k]	1.0710-4@632.80nm 7.010-5@1150nm 6.210-5@3390nm 6.110-5@10600μm

Wavelength(nm)	Refractive Index(n)	Wavelength(nm)	Refractive Index(n)
620	2.5994	10600	2.4028
1000	2.4892	13000	2.385
3800	2.4339	14600	2.3705
5000	2.4295	16600	2.3487
7000	2.4218	17800	2.3333
9000	2.4122	18200	2.3278

Incidence Mode	Damage Threshold(J/cm2)
Normal Incidence	>20
Brewster's Corner	>15

Zinc Selenide Right Angle Prism

Technical Parameter

Material Data

Transmittance

Application Field

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