What is the difference between laser optical length and laser geometrical length of cavity
Q: Explain briefly the conditions for laser operation. Compare the main features of a 3-level with a…
A: Introduction: The principle of a laser is based on three separate features: (a) stimulated emission…
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: 'which materials (gas materials) can achieve the three laser levels and four laser levels?
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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: How would the number of photons emitted per second by a yellow Kr laser compare to the number…
A: The energy of the red photon is less than that of yellow photon. Since both the lasers have the…
Q: Explain why the laser's power has such a high intensity.
A: Laser is Light Amplification by Stimulated Emission od Radiation. I.e molecules or atoms are…
Q: f lse. 11. In Ophthalmic laser, the laser energy must be fixed for different spot sizes. TrueW
A: Spot size of a laser is the diameter of the focused lase beam expressed in micro meter. It depends…
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 simple Ge n-i-n photo-detector sample has a length of L= 30 µm and a hole lifetime of t, = 0.4 µs.…
A:
Q: The "duty cycle" of a repetitively pulsed laser is defined as the ratio of the frequency the laser…
A: Pulsed Lasers Pulsed lasers are lasers that emit pulses of radiation. To do this, the laser is kept…
Q: Quantum solid. In a quantum solid the dominant repulsive energy is the zero- point energy of the…
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Q: Explain the Hall effect?
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Q: Question / Why in the laser electric discharge experiment, as the current increases, the voltage…
A: After ionization of the gas, when current flows through the gaseous medium, the electric discharge…
Q: Why are high frequency lasers difficult compared to low frequency ones? Explain with a mathematical…
A: solution of above question given in below step.
Q: One of the success of the free :electron model that it could describe Differences between insulator,…
A: The free electron model states that the valence electrons of the constituent atoms of the crystal…
Q: We known that the 808 nm and 655 nm diode laser are same durations and power but why are the effects…
A: Solution: The effects of these laser devices are different is characterized and defined as below:
Q: Define the free electron laser and what are its applications
A: A free-electron laser is a kind of laser that employs a beam of high-speed, relativistic electrons…
Q: A laser cannot produce more energy than is put into it. A laser can, however, produce pulses of…
A: Relation between Power and Energy
Q: How Laser works?
A: Answer:- Principle of laser :- Laser is produced by the energy released by electrons moving from…
Q: Semiconductor quantum-dots are quantum systems with typical three-dimensional size of a few…
A: NOTE: Size of quantum-dot from AFM measurement is not provided. Hence, part (b) can't be solved.…
Q: Is it necessary for a laser material to have at least three energy levels? If this is the case,…
A: LASER is an acronym for Light Amplification By Stimulated Emission of Radiation.A laser produces a…
Q: Draw the crystal structure for the lattice vector below ā, = 4£ ā¸ = 4ŷ and a = 32
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Define the quantum numbers n, l, ml , s , and ms .
A: Quantum numbers are set of numerical values which five acceptable solutions to the Schrodinger…
Q: if radius of manganese ion is 66ppm nd fluoride ion is 134 ppm then what is the shortest distance…
A: Solids are arranged in a order in the whole volume. The order can be regular (crystalline). It can…
Q: Which of the following statements is incorrect? The atomic form factor is a measure of the .a O…
A: The X-Ray wave vectors that will defract in a crystal is given by the reciprocal lattice vectors.
Q: H.W: what are the advantages of pulsed laser over continuous in laser surgery?
A: Pulsated lasers are those which have time gap in between two pulses.
Q: What if the transistor reveals impossible answer? Explain.
A: Step 1: If the transistor’s invention never came about,, we would still be living in the 1950's.…
Q: Suppose you have a laser diode operating at a wavelength of 665 nm. Derive an equation that shows…
A: The wavelength of the laser diode=665nm We have to derive the threshold condition for the laser.
Q: Obviously a laser system operates correctly when the process of stimulated emission is stronger than…
A: A laser system operates correctly when the process of stimulated emission is stronger than the other…
Q: What are the main components of a LASER? Describe the construction and working of He-Ne and LASER.
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