Pb.5 A He-Ne laser operating at 632.8 nm has an output power of 1 mW with a 1mm beam diameter. The beam passes through a mirror that has 99% reflectivity. What is the value of the ratio R between spont. and stimulated emission rates. What is the temperature of equivalent blackbody intensity? Assume: the laser line width is approximately one tenth of the Doppler width for the transition The laser frequency (1.5GHz)
Pb.5 A He-Ne laser operating at 632.8 nm has an output power of 1 mW with a 1mm beam diameter. The beam passes through a mirror that has 99% reflectivity. What is the value of the ratio R between spont. and stimulated emission rates. What is the temperature of equivalent blackbody intensity? Assume: the laser line width is approximately one tenth of the Doppler width for the transition The laser frequency (1.5GHz)
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Transcribed Image Text:Pb.5
A He-Ne laser operating at 632.8 nm has an output power of 1 mW with a
1mm beam diameter. The beam passes through a mirror that has 99%
reflectivity. What is the value of the ratio R between spont. and stimulated
emission rates. What is the temperature of equivalent blackbody intensity?
Assume: the laser line width is approximately one tenth of the Doppler width for
the transition The laser frequency (1.5GHz)
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