2. A certain ruby laser emits 1J pulses of light whose wavelength is 694nm. What is the minimum Cr3* ions in the ruby? 1. In a laser unit laser beam of wavelength 6328A® is emitted. How many photons are released per unit sec if the output power is 1mW

2. A certain ruby laser emits 1J pulses of light whose wavelength is 694nm. What is the minimum Cr3* ions in the ruby? 1. In a laser unit laser beam of wavelength 6328A® is emitted. How many photons are released per unit sec if the output power is 1mW

Understanding Motor Controls

4th Edition

ISBN:9781337798686

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter44: Semiconductors

Section: Chapter Questions

Problem 2RQ: The atoms of a material used as an insulator generally contain ___________ valence electrons.

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Question

2. A certain ruby laser emits 1J pulses of light whose wavelength is
694nm. What is the minimum Cr3* ions in the ruby?
1. In a laser unit laser beam of wavelength 6328Aº is emitted.
How many photons are released per unit sec if the output power
is 1mW

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