If the photon energy is 1.692 eV, calculate the refractive index for diamound material, using Cauchy coefficients? Table 1: Sellmeier and Cauchy coefficients ----------------------------- (a) Sellmeier coefficients ----------------------------- Sellmeier A1 A2 A3 λ1 (μm) λ2 (μm) λ3 (μm) SiO2 (fused silica) 0.696749 0.408218 0.890815 0.0690660 0.115662 9.900559 Sapphire 1.023798 1.058264 5.280792 0.0614482 0.110700 17.92656 Diamond 0.3306 4.3356 – 0.1750 0.1060 – ----------------------------- (b) Cauchy coefficients ----------------------------- hv (eV) n–2 (eV2) n0 n2 (eV–2) n4 (eV–4) Diamond 0.05-5.47 -1.07 * 10 -5 2.378 8.01 * 10 -3 1.04 * 10 -4 Silicon 0.002-1.08 -2.04 * 10 -8 3.4189 8.15 * 10 -2 1.25 * 10 -2 Germanium 0.002-0.75 -1.0 * 10 -8 4.003 2.2 * 10 -1 1.4 * 10 -1 Notes: - Use 3 decimal and round the 4th decimal. Example : 13.2251 , your answer would be 13.225 - Do not add Unit in your answer - Don't do spacing - Add the negative "-" sign only when it is in your answer
If the photon energy is 1.692 eV, calculate the refractive index for diamound material, using Cauchy coefficients? Table 1: Sellmeier and Cauchy coefficients ----------------------------- (a) Sellmeier coefficients ----------------------------- Sellmeier A1 A2 A3 λ1 (μm) λ2 (μm) λ3 (μm) SiO2 (fused silica) 0.696749 0.408218 0.890815 0.0690660 0.115662 9.900559 Sapphire 1.023798 1.058264 5.280792 0.0614482 0.110700 17.92656 Diamond 0.3306 4.3356 – 0.1750 0.1060 – ----------------------------- (b) Cauchy coefficients ----------------------------- hv (eV) n–2 (eV2) n0 n2 (eV–2) n4 (eV–4) Diamond 0.05-5.47 -1.07 * 10 -5 2.378 8.01 * 10 -3 1.04 * 10 -4 Silicon 0.002-1.08 -2.04 * 10 -8 3.4189 8.15 * 10 -2 1.25 * 10 -2 Germanium 0.002-0.75 -1.0 * 10 -8 4.003 2.2 * 10 -1 1.4 * 10 -1 Notes: - Use 3 decimal and round the 4th decimal. Example : 13.2251 , your answer would be 13.225 - Do not add Unit in your answer - Don't do spacing - Add the negative "-" sign only when it is in your answer
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter1: Atomic Structure
Section: Chapter Questions
Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?
Question
If the photon energy is 1.692 eV, calculate the refractive index for diamound material, using Cauchy coefficients?
Table 1: Sellmeier and Cauchy coefficients
----------------------------- (a) Sellmeier coefficients -----------------------------
Sellmeier A1 A2 A3 λ1 (μm) λ2 (μm) λ3 (μm)
SiO2 (fused silica) 0.696749 0.408218 0.890815 0.0690660 0.115662 9.900559
Sapphire 1.023798 1.058264 5.280792 0.0614482 0.110700 17.92656
Diamond 0.3306 4.3356 – 0.1750 0.1060 –
----------------------------- (b) Cauchy coefficients -----------------------------
hv (eV) n–2 (eV2) n0 n2 (eV–2) n4 (eV–4)
Diamond 0.05-5.47 -1.07 * 10 -5 2.378 8.01 * 10 -3 1.04 * 10 -4
Silicon 0.002-1.08 -2.04 * 10 -8 3.4189 8.15 * 10 -2 1.25 * 10 -2
Germanium 0.002-0.75 -1.0 * 10 -8 4.003 2.2 * 10 -1 1.4 * 10 -1
Notes:
- Use 3 decimal and round the 4th decimal. Example : 13.2251 , your answer would be 13.225
- Do not add Unit in your answer
- Don't do spacing
- Add the negative "-" sign only when it is in your answer
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