6. Explain the terms Full Width at Half Maximum and duty cycle. A particular pulsed laser has an average power of 25 mW. The pulse duration is 1.5µs and the pulse repetition time is 1.8 ms. Find the duty cycle, maximum power and energy per pulse.

Q: 5. A high energy pulsed laser emits 3.00 nano second-long pulse of average power 1.60 x 10¹¹ W. The…

A: P= PowerA= Area

Q: nitrog cule in air at 300 K? Assume that the molecule ng with the root-mean-square speed cules at…

A: GIVEN: Atomic mass of nitrogen = 14.0076u Here, we calculate the given as follow;

Q: 1. Explain the difference in electron behavior when an electron is in an electric field only and…

A: When electron is placed in an electric field , the electron accelerates in the opposite direction to…

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

Q: What are common risks in operating lasers? Explain specific risks for several commonly used lasers…

A: Laser beams may cause damage to eyes or skin. The risk of eye injury from laser light and heat is…

Q: 1. Neutrons produced in a reactor are known as thermal neutrons because their kinetic 3 energies…

A:

Q: A simple Ge n-i-n photo-detector sample has a length of L= 30 um and a hole lifetime of Tp 0.4 us.…

A: Given : τp=0.4×10-6s              V=2V               L=30×10-6m               μn=3900×10-4m2/V-s…

Q: Design a night vision camera with the help of a suitable semiconductor and mentioned the challenges…

A: Night vision based on technology of image intensifier tubes is the oldest electro-optical…

Q: Provide short answers on theory and concepts. a. A (2,2) fluorescence transition is usually not…

A: (a) why, fluorescence transition is usually not observed. (b) A hypothetical atom has three distinct…

Q: Q2. The following graphs show the x-ray spectrum for Tungsten and Molybdenum materials. 1- Why peaks…

A: 1. The peaks in the spectrum are called characteristic x-rays.  When molybdenum is bombarding with…

Q: When a photoconductor is exposed to light a. less current flows through it b.its resistance…

A: A photoconductor is a semiconductor device. It carries current when it is exposed to light.

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.…

Q: A laser with power output of 2.0mW at a wavelength of 400nm is projected onto a calcium metal. The…

A: The number of electrons ejected per second can be obtained as

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: QI) A) Explain the Possibility of Electron Transitions that Give Rise to K, L and M Characteristic…

A: Q2 A Nanotechnology is the study of matter with extremely small dimensions. The investigation is…

Q: 3. For ideal gas treated in quantum regime and when the particles are treated as distinguishable but…

A: (a) We consider an ideal gas consists of N molecules. Gas molecules are distinguishable. We know…

Q: Fill in the blanks with suitable words: 4. When the energy difference between two atomic or…

A:

Q: 1. R=200 10V R 300 Ry 500 R=200 a. Rtotal Ω %3D b. I1 = A c. I3 = %3D d. I4 = A %3D e. V2 = V f. V3…

A:

Q: the power rating

A:

Q: If a semiconductor of Eg is 2eV, the maximum wavelength of photons that can be detected by a…

A: Given, A semiconductor of Eg is 2eV We have to find the maximum  wavelength of photons that can be…

Q: 1. What is full wave rectifier? 2. What are the types of full Wave Rectifier? 3. What are the…

A: A rectifier is a device which is used to convert AC signal into DC signal There are mainly two types…

Q: Q2 Consider a 4 mm × 2 mm x 1 mm sample, situated in a magnetic field 0.2 Wb/m² which superposed on…

A: Let VH be defined as the Hall voltage. Therefore, VH=RHBIt=RHBtneAvd…

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: 15. X-ray diffraction spectrum of ZnS nanoparticles is as follows. Estimate the size of nanoparticle…

A: To define the size of nanoparticles

Q: 7. A repetitively pulsed laser produces 47 mj per pulse. The pulse repetition time is 2.5 ms and the…

A: Given: The energy produced per pulse is E = 47 mJ The time period of the pulse repetition is T = 2.5…

Q: 1. We consider a HeNe laser operating at a wavelength 1-633 nm. The laser resonator is 0.8 m long.…

A: 1. Given that- The laser resonator is 0.8m long. The linewidth is broadened to 2Ghz due to doppler…

Q: 10. Helium lasers have 10.250x16 3 watts 0.250 mW. (milliwatts) projected onto 11.00×10-³m a…

A: Case of a Helium laser,Output power of helium laser Po = 0.250 ×10-3 WWe have to determine A)…

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: 400 to 700 nm.

A: Energy (E) is related to wavelength (λ) as: Here, c is the velocity of light h is Planck’s constant

Q: Explain Stereo Lithography and Two-photon Lithography technologies. a. Explain concepts/principles…

A:

Q: 1. the reasons that cause stacking fault is: a) Change of the layer sequence b) Gliding twins are…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What are “diffraction pattern” and “electron density map.”? Can you please brielfy explain it and…

A: In this question we have to answer what is diffraction pattern and electron density map.

Q: 25. According to the image below answering all the questions. Each transition is labeled with a…

A: Refer to the figure below :

Q: A particular atom has two energy levels with a transition wavelength of 420 nm. At 297 K there are…

A:

Q: 4. Find the change or shift in the resonance frequency for CaTiO; with temperature coefficient of…

A: given,Temperature coefficient of resonance frequency τf= 20 ppm/°C1ppm=1×10-6initial frequency…

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: 1. In a cavity laser, a beam could be transmitted through the cell without being distorted by the…

A: laser cavity tends to select specific wavelengths within the normal gain bandwidth of the laser gain…

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…