Interaction of modulated lasers

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SUMMARY

The discussion centers on the interaction of amplitude-modulated helium-neon lasers with a 10 GHz resonant cavity. It confirms that modulating a laser at 10 GHz can indeed excite the cavity, as the intensity fluctuations at this frequency can induce a current within the cavity. This principle aligns with the operational mechanics of cavity-stabilized oscillators, which utilize similar modulation techniques for stability and performance enhancement.

PREREQUISITES
  • Understanding of amplitude modulation techniques
  • Familiarity with laser physics, specifically helium-neon lasers
  • Knowledge of microwave signal generation and properties
  • Basic principles of resonant cavities and their applications
NEXT STEPS
  • Research the principles of cavity-stabilized oscillators
  • Explore the effects of laser modulation on resonant cavity behavior
  • Study microwave signal generation techniques at 10 GHz
  • Investigate the applications of helium-neon lasers in modern optics
USEFUL FOR

Optical engineers, physicists, and researchers interested in laser modulation and resonant cavity applications will benefit from this discussion.

waht
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If you were to amplitude modulate a laser such the helium-neon with a microwave signal for instance at 10 GHz, and if you were to shine that laser into a tuned 10 GHz resonant cavity, would the modulated laser excite the cavity?

That is would the rise and fall of intensity of the laser beam at 10 GHz induce a current in the cavity?
 
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I would hope so- that's how cavity-stabilized oscillators work, IIRC.
 

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