a) Problem 9.6 of Textbook: If the spot size at the mirror of a helium-neon laser is 0.5mm, what is the length of the laser cavity? The cavity is of the confocal-type and the wavelength is 633nm. b) For a semiconductor laser diode, the output power is 2mW and 4.5mW when the diode drive (injected) current is 50mA and 55mA, respectively. What is the threshold current (ith) of this laser diode? 4.
a) Problem 9.6 of Textbook: If the spot size at the mirror of a helium-neon laser is 0.5mm, what is the length of the laser cavity? The cavity is of the confocal-type and the wavelength is 633nm. b) For a semiconductor laser diode, the output power is 2mW and 4.5mW when the diode drive (injected) current is 50mA and 55mA, respectively. What is the threshold current (ith) of this laser diode? 4.
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter34: Electromagnetic Waves
Section: Chapter Questions
Problem 34.7P: Suppose you are located 180 in from a radio transmitter. (a) How many wavelengths are you from the...
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