a- A laser cavity of volume about 2000 mm and a central wavelength of 1500 nm: Determine the number of allowed oscillating modes within a wavelength changing of 0.2 nm.

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a- A laser cavity of volume about 2000 mm and
a central wavelength of 1500 nm: Determine the
number of allowed oscillating modes within a
wavelength changing of 0.2 nm.
Transcribed Image Text:a- A laser cavity of volume about 2000 mm and a central wavelength of 1500 nm: Determine the number of allowed oscillating modes within a wavelength changing of 0.2 nm.
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