Frequency-Modulated External Cavity Laser Device
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 25, 2023
filing date -
Sep 25, 2023
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Abstract
The present invention disclose a frequency-modulated external cavity laser device including a seed light source, a feedback loop external cavity, a light source frequency adjustment module, an FP cavity frequency adjustment module and an external cavity frequency adjustment module. The feedback loop external cavity includes an FP cavity; the light source frequency adjustment module is configured for adjusting an eigenfrequency of the seed light beam; the FP cavity frequency adjustment module is configured for adjusting a resonance frequency of the FP cavity; the external cavity frequency adjustment module is configured for adjusting a resonance frequency of the feedback loop external cavity; and the light source frequency adjustment module, the FP cavity frequency adjustment module and the external cavity frequency adjustment module perform cooperative modulation.
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