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?????????????VCSEL??Vertical-Cavity Surface-Emitting Lasers???????淢?傷?????????????д?????????弤?????????????????LED????????傷??????VCSEL??????????洹??????Ч??????????????????????????С???????????????ι?????С?????????????????????????????Ч????????????????????????????????????????????弤??????????????3D????????н???????????Time of flight??TOF?????????????????VCSELо?????????

??????????????з????г???????????????????з???????????ɡ??????????????????????????????????????????????з??????????????????Щ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????廩????????????????????????VCSEL?о????????е?VCSEL?????????衢С??????????????????[1-3]????????Dr. Dennis Deppe???????????????????VCSEL???????????[4]????????????????????????????????VCSEL?????????з????顣δ??3D???????????????????????????????????????????????????????????????г???????????????????????????????Ч????????????

VCSEL???????????????ó???20????????????????????????????????????????г???????????VCSEL?????????????沿???????????С????????????????嵽???y???Structure Light????????????豸??????????VCSELо???????????????????????????????沿???????????????????????????????????????????2D???????VCSEL???????????????????????????????????????????????￡?VCSEL???????????????????????????????????????????????????沿??????????????????????????е?????????????????????????????????????????????????????

?1 ??????2.5Wо?LIV????????????6??羧???2.5Wо???PCE????????

??????VCSEL?з??????????????????????????????????о??????????????????????????????????????????????ù???????????????????1.5W/2.5W/4W/8W?????940nm VCSEL???С????940nm VCSEL?????????????????3532/3535???????/??????????????????????????????????￡??????????????????????????????????????????????????????Χ???????????????????????????????????????????????????????????????

??VCSEL????????????????????????????????????????????????????15???50???????????У????????????????????о????????Ч???Power Conversion Efficiency??PCE??????40%???????????????????????????Ч?????????ζ?????????????????ζ???????????????????????????????и????????????????????г???????в??????????????????г????з??????????????????в????????????????????????????????????????????????????????????У???????????????????????Χ???????????????????

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?2 ?????????DFB??????LIV?????

“????????????????????????????????????У???????á?”????????????????????????????????????????????????о????????????????????????????????????????????????????????г?????ɡ??????????????????????????????????????裬???????????о???????????????????????????????Ψ?б??????????????????????????????????????????????????????????????г????????ɡ?

?ο??????

[1] Yang, X., et al. "Small oxide-free vertical-cavity surface-emitting lasers with high efficiency and high power." Electronics Letters 50.24 (2014): 1864-1866.

[2] Yang, X., et al. "Oxide-free vertical-cavity surface-emitting lasers with low junction temperature and high drive level." Electronics Letters 50, no. 20 (2014): 1474-1475.

[3] Yang, X. et al, 2014, June. 50% power conversion efficiency on a non-oxide VCSEL. In Lasers and Electro-Optics (CLEO), 2014 Conference on (pp. 1-2). IEEE.

[4] D. G. Deppe, et al. Applied Physics Letters 65, No. 1 (1994): 97-99.

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