Explain the principle of optical pumping and stimulated emission of radiation. Explain the action of helium neon laser. How it is superior to a ruby laser?
Q: 6. 1A fluóréščěňčé tiššué sample has following optical properties: a scattering coefficient of 8cm…
A: The number of photons scattered from this location is 20
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A: Width at half width, sometimes referred to as FWHM (full width at half maximum), is a parameter of a…
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A: There are several types of lasers, including gas lasers, solid-state lasers, semiconductor lasers,…
Q: calculate the thickness of the quantum wave plate of quartz for sodium vapour lamp light of…
A: Given: λNa = 5893*10-10 m λHe-Ne = 6330*10-10 m μo = 1.5442 μe = 1.5533
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Q: Explain the fluorescence process. Be sure to include an explanation of why fluorescence is always…
A: Fluorescence, a type of luminescence, occurs in gas, liquid or solid chemical systems. Fluorescence…
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A: (a) why, fluorescence transition is usually not observed. (b) A hypothetical atom has three distinct…
Q: Q1. Dispersion relation of electron in 1 D solid is E(k)= E, -a-2Bcos (ka). Determine (a) density of…
A: Given: E(k)=Eo-α-2βcos(ka) To calculate: a) Density of state. b) Effective mass of the electron.…
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Q: 3. Kittel, Ch4-7. Free energy of photon gas. (a) Show that the partition function of a photon gas is…
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Q: aracter of light emitted from a nanocrystalline ith violet light will be altered as the size is…
A: As per guidelines, allowed to answer one question at a time. The light emitted by the…
Q: a- A laser cavity of volume about 2000 mm and a central wavelength of 1500 nm: Determine the number…
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Q: O Consider the vibrational spectrum of a certain molecule. The molecule has a vibrational ground…
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Q: Fill in the blanks with suitable words: 4. When the energy difference between two atomic or…
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Q: The Scenario consist a harmonic oscillator of mass M and frequency w, and a potential H(t) = A…
A: The Golden Rule of time-dependent perturbation theory, often known as Fermi's Golden Rule, is an…
Q: 18. A material exhibits an “optical band edge” (transition from absorption of light to transmission)…
A: The optical band edge is at 5*10^14 Hz This is 500 THz When the frequencies of visible light in the…
Q: 1. Explain why Induced Polarization (IP), as well as resistivity, is often successful for detecting…
A: Sulfide minerals are a group of compounds with the presence of sulfur. The most abundantly available…
Q: Calculate the energies predicted in the following transitions for the hydrogen atom. Show all of…
A: Given: Planck's constant, h=6.626×10-34J·sSpeed of light, c=3×108m/sWavelength of violet,…
Q: What is The most useful feature of dye laser? Describe it briefly?
A: Given: What is The most useful feature of dye laser?
Q: The following is an energy-level diagram for electronic transitions in the Bohr hydrogen atom. REFER…
A: (a) The energy of the electron in the nth shell in a hydrogen atom is determined by : En=-13.6n2eV…
Q: The lattice constant for the fcc structure of Platinum (Pt) at 300 K is 0.3912 nm. A. List the…
A: (a) For the FCC structure of Platinum (Pt) at 300K with a lattice constant of 0.3912 nm, we can use…
Q: 1. What is the frequency of 450 nm light?... How many electrons can occupy all orbitals with n=6
A: Given that,Wavelength of the light : λ =450 nm =450×10-9 mSpeed of light : c = 3×108 m/sHere we…
Q: Why is it important to align the mirrors in a laser cavity? Explain how a gas laser cavity can be…
A: In order to correctly align the laser beam, you have to use the first mirror to align the closer…
Q: 4. Can a photoelectric effect happen when subject a UV ray of wavelength 350 nm to a metal with 3.80…
A: Given: The wavelength of the UV ray is 350 nm. The work function (w) of the metal is 3.80 eV.…
Q: a) Identify and compare between photonic crystal fiber and conventional optical fiber. b) Label and…
A: The optical fibers are used for transmitting signals from one end to another. There are different…
Q: What exactly does it mean for a laser material to have at least three different energy levels? If…
A: LASER stands for Light Amplification of Stimulated Radiation.
Q: 25. According to the image below answering all the questions. Each transition is labeled with a…
A: Refer to the figure below :
Q: Iculate the ission wavele
A: GIVEN :The wavelength of infrared radiation is λ= 10.6 ×10-6 m The bandwidth is △λ =10-5 nm…
Q: 6. Ignoring the fine structure splitting, hyperfine structure splitting, etc., such that energy…
A: Given data : Number of state n = 4 Ground state energy of hydrogen E1 = -13.6 ev By using simple…
Q: A laser beam has a power of 90 w. It has an aperture of 3x103 m and emits a light of wavelength 600…
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
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