Cat-eye retroreflectors based large-dynamic-range alignment-free laser
نویسندگان
چکیده
Lasers with cavities consisting of retroreflecting elements can give the potential for large-dynamic-range alignment-free operation, which makes important applications in adaptive wireless laser power transfer/communication possible. In such an emerging approach based on resonant beam cavity, is delivered to photovoltaic cell charging application (or photodiode communication application) at receiver automatically, without necessity positioning and aiming conventional transfer techniques. The capable operating efficiently across essential application. this work, requirements dynamic range operation are summarized. An a cavity cat-eye retroreflectors designed, large as never before experimentally demonstrated. Telescope system adopted suppress expansion enhance working distance between transmitter receiver. Coupled scheme used reduce intensity safety. By calculating stability zone it found that quite narrow. Hence, very sensitive defocusing cat eye defocusing. Moreover, induced by optical aberrations spherical aberration field curvature be rather serious, when long results size angle incidence large, hence limiting effective view significantly. experiment, improved designs compensation operation. end-pumped Nd:GdVO<sub>4</sub> 1063 nm deliver over 5-W output within 1–5 m, ±30°, realignment. reaching 4.6° (full width half maximum) 5 m also realized, corresponding transverse movement 40 cm. Our work clarifies optimizing criteria retroreflectors.
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ژورنال
عنوان ژورنال: Chinese Physics
سال: 2023
ISSN: ['1000-3290']
DOI: https://doi.org/10.7498/aps.72.20221956