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Re: A list of textbook miscon: spatial coherence



At 08:32 AM 2/13/98 -0800, William Beaty wrote:
On Fri, 13 Feb 1998, John Gastineau wrote:

Some LASERs do have amplifiers. ..

John,

Do these amplifiers greatly increase the transverse coherence length of
the oscillator's optical output?


I don't know. In the particular applications had, the spectral purity
was much less important than raw power. I never did any measurements.

Sorry to be slow to respond in this one--phys-l is busy these days, and
I don't read everything right away.

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John E. Gastineau gastineau@mindspring.com KC8IEW
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