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5. Below graph shows transimittance of ZnSe on glass substrate. Eestimate transmittance of ZnSe at 1000 nm and compare the transmittance with using reflective index. Spectral Transmittance (T) of ZnSe Uncoated Polished Window thickness 5 mm, range (400 - 1100) nm T. % 100 90 80 70 - 60 50 40 30 20 10 0 -

5. Below graph shows transimittance of ZnSe on glass substrate. Eestimate transmittance of ZnSe at 1000 nm and compare the transmittance with using reflective index. Spectral Transmittance (T) of ZnSe Uncoated Polished Window thickness 5 mm, range (400 - 1100) nm T. % 100 90 80 70 - 60 50 40 30 20 10 0 -

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**Transcription and Analysis for Educational Website** **Task Overview:** The task is to estimate the transmittance of ZnSe (Zinc Selenide) at 1000 nm on a glass substrate, and compare this transmittance using the reflective index. **Graph Description:** The graph presented is titled "Spectral Transmittance (T) of ZnSe Uncoated Polished Window, thickness 5 mm, range (400 - 1100) nm." **Axes:** - The x-axis represents the wavelength, ranging from 400 nm to 1100 nm. - The y-axis represents transmittance (T), expressed as a percentage, ranging from 0% to 100%. **Data Analysis:** - The graph demonstrates that the transmittance rapidly increases from a low value at 400 nm, stabilizing as the wavelength increases. - Around 1000 nm, the transmittance appears to reach approximately 70%. **Comparison Using Reflective Index:** - To compare the transmittance using the reflective index, consider the optical constants of ZnSe. Typically, higher transmittance corresponds to lower reflectance, dependent on the material's refractive index. - By examining material properties or utilizing additional tools/formulas, such as Fresnel equations, the reflective index's impact on transmittance can be further studied. Please incorporate relevant optical physics principles or conduct experiments to validate these observations and enhance understanding.
Transcribed Image Text:**Transcription and Analysis for Educational Website** **Task Overview:** The task is to estimate the transmittance of ZnSe (Zinc Selenide) at 1000 nm on a glass substrate, and compare this transmittance using the reflective index. **Graph Description:** The graph presented is titled "Spectral Transmittance (T) of ZnSe Uncoated Polished Window, thickness 5 mm, range (400 - 1100) nm." **Axes:** - The x-axis represents the wavelength, ranging from 400 nm to 1100 nm. - The y-axis represents transmittance (T), expressed as a percentage, ranging from 0% to 100%. **Data Analysis:** - The graph demonstrates that the transmittance rapidly increases from a low value at 400 nm, stabilizing as the wavelength increases. - Around 1000 nm, the transmittance appears to reach approximately 70%. **Comparison Using Reflective Index:** - To compare the transmittance using the reflective index, consider the optical constants of ZnSe. Typically, higher transmittance corresponds to lower reflectance, dependent on the material's refractive index. - By examining material properties or utilizing additional tools/formulas, such as Fresnel equations, the reflective index's impact on transmittance can be further studied. Please incorporate relevant optical physics principles or conduct experiments to validate these observations and enhance understanding.
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