A mode-locked ruby laser consists of a short rod inside a cavity of length 1.2 m. Given that the full width at half maximum of the 694.3 nm transition is 2 x 1011 Hz, and that the laser is producing the shortest possible pulses, estimate: (i) the duration of the pulses, (ii) the number of longitudinal cavity modes that are oscillating, and (iii) the coherence length of the light.
A mode-locked ruby laser consists of a short rod inside a cavity of length 1.2 m. Given that the full width at half maximum of the 694.3 nm transition is 2 x 1011 Hz, and that the laser is producing the shortest possible pulses, estimate: (i) the duration of the pulses, (ii) the number of longitudinal cavity modes that are oscillating, and (iii) the coherence length of the light.
Related questions
Question
3
Transcribed Image Text:A mode-locked ruby laser consists of a short rod inside a cavity of length 1.2 m. Given that
the full width at half maximum of the 694.3 nm transition is 2 x 1011 Hz, and that the laser
is producing the shortest possible pulses, estimate:
(i) the duration of the pulses,
(ii) the number of longitudinal cavity modes that are oscillating, and
(iii) the coherence length of the light.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps
