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    • 3. 发明申请
    • HIGH POWER BRAGG GRATING BASED SEMICONDUCTOR LASER
    • 基于高功率BRAGG光栅的半导体激光器
    • WO2018039224A1
    • 2018-03-01
    • PCT/US2017/048004
    • 2017-08-22
    • MORTON PHOTONICS INCORPORATED
    • MORTON, Paul, A.
    • H01S5/14
    • A laser including: a gain chip; an external cavity incorporating a Bragg grating; and a baseplate; wherein a first end of the gain chip has a high reflectivity facet forming a first end of the laser cavity; a second end of the gain chip has a low reflectivity facet; and a second part of the external cavity comprises a Bragg grating, supported by the baseplate, the temperature of the baseplate being maintained through a feedback loop; wherein the optical length of the external cavity is at least an order of magnitude greater than the optical length of the gain chip; wherein the Bragg grating is physically long and occupies a majority of the length of the external cavity and is apodized to control the sidemodes of the grating reflection.
    • 一种激光器,包括:增益芯片; 包含布拉格光栅的外腔; 和底板; 其中所述增益芯片的第一端具有形成所述激光腔的第一端的高反射率小面; 增益芯片的第二端具有低反射率面; 并且所述外腔的第二部分包括由所述底板支撑的布拉格光栅,所述底板的温度通过反馈回路保持; 其中外腔的光学长度至少比增益芯片的光学长度大一个数量级; 其中布拉格光栅在物理上是长的并且占据外腔的大部分长度并且被切趾以控制光栅反射的侧模。