2007-09-26 04:08:56 · 4 answers · asked by Richie57 1 in Science & Mathematics ➔ Physics
don't forget coherence! The two most important characteristics of laser light is its narrow frequency spectrum and its coherence...both of which can be measured.
2007-09-26 04:56:53 · answer #1 · answered by runningman022003 7 · 1⤊ 0⤋
do you mean the intensity of lasers?
there is a way to measure this, they use it in fiber optics to measure the, power / intensity of the photodiode, gain and most especially loss.
they use decibel (dB) as the widely used unit. which is calculated by.
dB=10 log (power in watts/ 1watt)
1 watt is the reference power.
2007-09-26 11:30:00 · answer #2 · answered by danniel s 2 · 0⤊ 0⤋
In what way? I believe lasers are measured by their frequency (wavelength) in nanometers.
2007-09-26 11:16:44 · answer #3 · answered by 2007_Shelby_GT500 7 · 0⤊ 0⤋
there are many ways to measure a laser (power, frequency, etc.)
you might find these references useful:
http://search.yahoo.com/search;_ylt=A0geu63kd_pGZ1MA8xRXNyoA?p=laser&y=Search&fr=ush-ans
you can also do a search on "quantum optics"
2007-09-26 11:20:03 · answer #4 · answered by michaell 6 · 0⤊ 0⤋