ZnSe Prism

CO2 Optics ZnSe Prism

ZnSe Prism

Part No.MaterialL1 (mm)L2 (nm)H (mm)
ATRZ-52.5*20*2ZnSe52.5202

ZnSe Prism Rhomb

Part NumberWavelength (µm)Dimensions (mm)AngleRetardation
WFP4-51.5×13.2x12Z8.0 – 12.051.5 x 13.2 x 12.065°, 115°λ/4
WFP4-58.3x15x13.6Z8.0 – 12.058.3 x 15.0 x 13.665°, 115°λ/4
WFP2-26.5x15x39.1Z8.0 – 12.026.5 x 15.0 x 39.1123°, 147°λ/2

ZnSe Prism

ZnSe Prism Diagram

Attenuated Total Reflection (ATR) Prism uses the property of total internal reflection and attenuates the reflected light by forming an evanescent wave while penetrating some (0.5-2µm) into the sample.  The penetration depth into the sample depends on the refractive index of sample and prism, incident angle, wavelength, sample contact, and reactivity of the material. This prism is useful in Fourier Transform Infrared (FTIR) spectroscopy to analyze the sample properties.  Customized ATR Prism is available upon request.

ZnSe Prism Rhomb

ZnSe Prism Rhomb Diagram 4 ZnSe Prism Rhomb Diagram 3 ZnSe Prism Rhomb Diagram 2

Fresnel prism rhomb is advantageous than reflective phase retarder and waveplate that use birefringence material.  The retardation depends on the index of refraction of material and geometry but not the design wavelength.  The desired phase shift can be constructed by shining light in the 8-12µm region at a selected incident angle, allowing it to make the required number of internal reflections by using the principle of total internal reflection.  The rhomb improves the quality of laser cutting in laser processing applications. We offer customization of prism rhomb to meet the specific customer needs.

ZnSe Prism

Material: Zinc Selenide (ZnSe)
Dimensional Tolerance: +/- 0.1mm
Type: Attenuated
Angular Deviation: 0.2°
Surface Quality: 60/40
Coating: Options Available

ZnSe Prism Rhomb

Material: Zinc Selenide (ZnSe)
Dimensional Tolerance: +/- 0.1mm
Type: Quarter Wave & Half-Wave
Angular Deviation: 0.2°
Surface Quality: 60/40
Coating: Options Available
Polishing: required@ Input, output, top and bottom surfaces

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