{"id":4227,"date":"2026-02-03T15:36:05","date_gmt":"2026-02-03T07:36:05","guid":{"rendered":"https:\/\/laserdiode-ld.com\/?p=4227"},"modified":"2026-01-15T15:37:32","modified_gmt":"2026-01-15T07:37:32","slug":"%e9%ab%98%e5%8a%9f%e7%8e%87%e5%a4%9a%e6%a8%a1%e5%85%89%e7%ba%a4%e8%80%a6%e5%90%88%e6%bf%80%e5%85%89%e5%99%a8%e6%a8%a1%e5%9d%97%e4%b8%ad%e7%9a%84%e9%ab%98%e7%ba%a7%e5%85%89%e6%9d%9f%e7%bb%84%e5%90%88","status":"publish","type":"post","link":"https:\/\/laserdiode-ld.com\/zh\/%e9%ab%98%e5%8a%9f%e7%8e%87%e5%a4%9a%e6%a8%a1%e5%85%89%e7%ba%a4%e8%80%a6%e5%90%88%e6%bf%80%e5%85%89%e5%99%a8%e6%a8%a1%e5%9d%97%e4%b8%ad%e7%9a%84%e5%85%88%e8%bf%9b%e5%85%89%e6%9d%9f%e7%bb%84%e5%90%88","title":{"rendered":"\u9ad8\u529f\u7387\u591a\u6a21\u5149\u7ea4\u8026\u5408\u6fc0\u5149\u5668\u6a21\u5757\u4e2d\u7684\u5148\u8fdb\u5149\u675f\u7ec4\u5408\u548c\u5149\u8c31\u7ba1\u7406"},"content":{"rendered":"
\u5728\u5de5\u4e1a\u6fc0\u5149\u9886\u57df\uff0c\u5bf9\u66f4\u9ad8\u529f\u7387\u7684\u9700\u6c42\u662f\u6301\u7eed\u4e0d\u65ad\u7684\uff0c\u7136\u800c\u5355\u51ed\u529f\u7387\u662f\u4e00\u4e2a\u5177\u6709\u6b3a\u9a97\u6027\u7684\u6307\u6807\u3002\u5236\u9020\u5546\u9762\u4e34\u7684\u771f\u6b63\u6311\u6218\u662f\u4ece\u5355\u53d1\u5c04\u6781\u6269\u5c55\u5230\u9ad8\u529f\u7387\u6fc0\u5149\u5668\u65f6\u5982\u4f55\u4fdd\u6301\u7a7a\u95f4\u4eae\u5ea6\u3002 \u591a\u6a21\u5149\u7ea4\u8026\u5408\u6fc0\u5149\u5668\u6a21\u5757<\/strong>. .\u5f53\u6211\u4eec\u5c06\u66f4\u591a\u7684\u4e8c\u6781\u7ba1\u82af\u7247\u96c6\u6210\u5230\u4e00\u6839\u5149\u7ea4\u4e2d\u65f6\uff0c\u4e0d\u53ef\u907f\u514d\u5730\u4f1a\u9047\u5230\u5149\u675f\u53c2\u6570\u79ef\uff08BPP\uff09\u7684\u9650\u5236\u3002\u5982\u679c\u96c6\u6210\u7cfb\u7edf\u7684\u5149\u675f\u53c2\u6570\u79ef\u8d85\u8fc7\u4f20\u8f93\u5149\u7ea4\u7684\u63a5\u53d7\u80fd\u529b\uff0c\u591a\u4f59\u7684\u80fd\u91cf\u5c31\u4f1a\u8f6c\u5316\u4e3a\u70ed\u91cf\uff0c\u5bfc\u81f4\u5149\u5b66\u6d82\u5c42\u548c\u5149\u7ea4\u5305\u5c42\u8fc5\u901f\u964d\u89e3\u3002.<\/p>\n\n\n\n \u7f29\u653e \u5149\u7ea4\u8026\u5408\u6fc0\u5149\u5668<\/a><\/strong> requires more than just mechanical “stacking” of emitters. It involves a deterministic approach to optical path length management, polarization state control, and spectral density. This article examines the sophisticated combining techniques\u2014spatial, polarization, and spectral\u2014that allow modern \u5149\u7ea4\u8026\u5408\u4e8c\u6781\u7ba1\u6fc0\u5149\u5668<\/a><\/strong> \u5728\u4fdd\u6301\u7cbe\u5bc6\u6750\u6599\u52a0\u5de5\u6240\u9700\u7684\u805a\u7126\u6027\u7684\u540c\u65f6\uff0c\u4f7f\u7cfb\u7edf\u7684\u529f\u7387\u8fbe\u5230\u5343\u74e6\u7ea7\u3002.<\/p>\n\n\n\n \u6bcf\u4e2a\u5e7f\u57df \u6fc0\u5149\u4e8c\u6781\u7ba1<\/a> (BAL) \u5177\u6709\u7279\u5f81\u6027\u7684\u4e0d\u5bf9\u79f0\u3002\u5feb\u8f74\uff08\u5782\u76f4\u65b9\u5411\uff09\u63a5\u8fd1\u884d\u5c04\u6781\u9650\uff0c\u800c\u6162\u8f74\uff08\u6c34\u5e73\u65b9\u5411\uff09\u5219\u9ad8\u5ea6\u591a\u6a21\u3002\u5728 \u5149\u7ea4\u8026\u5408\u6fc0\u5149\u4e8c\u6781\u7ba1<\/a><\/strong>, \u56e0\u6b64\uff0c\u5185\u90e8\u5fae\u5149\u5b66\u5668\u4ef6\u7684\u4e3b\u8981\u76ee\u6807\u662f\u5c06\u8fd9\u4e9b\u53d1\u6563\u5149\u675f\u91cd\u5851\u4e3a\u5bf9\u79f0\u5149\u675f\uff0c\u4f7f\u5176\u4e0e\u5149\u7ea4\u7684\u5706\u5f62\u7ea4\u82af\u76f8\u5339\u914d\u3002.<\/p>\n\n\n\n To combine multiple single emitters spatially, engineers utilize a “step mirror” or “staircase” arrangement. Each emitter’s beam is collimated by an individual Fast-Axis Collimator (FAC) and Slow-Axis Collimator (SAC). These collimated beams are then reflected by a series of precisely angled mirrors that “stack” the beams vertically.<\/p>\n\n\n\n \u8fd9\u79cd\u53e0\u52a0\u7684\u7cbe\u5ea6\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u5806\u53e0\u7684\u5149\u675f\u4e4b\u95f4\u6709\u95f4\u9699\uff0c\u5c31\u4f1a\u6d6a\u8d39 BPP\uff1b\u5982\u679c\u5b83\u4eec\u91cd\u53e0\uff0c\u5c31\u4f1a\u635f\u5931\u4eae\u5ea6\u3002\u9ad8\u8d28\u91cf \u591a\u6a21\u5149\u7ea4\u8026\u5408\u6fc0\u5149\u5668\u6a21\u5757<\/a><\/strong> designs use robotic active alignment to ensure that the “dead space” between beams is minimized to less than 5 micrometers. This density is what allows a 200W module to be coupled into a 105-micrometer fiber with an NA of 0.15, providing a significant safety margin for the 0.22 NA limit of standard industrial fibers.<\/p>\n\n\n\n \u5f53\u7a7a\u95f4\u5806\u53e0\u8fbe\u5230\u5149\u7ea4\u7ea4\u82af\u76f4\u5f84\u7684\u7269\u7406\u6781\u9650\u65f6\uff0c\u5236\u9020\u5546\u5fc5\u987b\u8f6c\u5411\u5149\u7684\u5176\u4ed6\u7279\u6027\uff1a\u504f\u632f\u548c\u6ce2\u957f\u3002.<\/p>\n\n\n\n \u5229\u7528\u6fc0\u5149\u4e8c\u6781\u7ba1\u53d1\u51fa\u7684\u81ea\u7136\u504f\u632f\u5149\uff08\u901a\u5e38\u4e3a TE \u6a21\u5f0f\uff09\uff0c\u53ef\u4ee5\u5c06\u4e24\u7ec4\u76f8\u540c\u7684\u7a7a\u95f4\u53e0\u52a0\u5149\u675f\u7ec4\u5408\u5728\u4e00\u8d77\u3002\u5176\u4e2d\u4e00\u7ec4\u901a\u8fc7\u534a\u6ce2\u677f\uff0c\u4f7f\u5176\u504f\u632f\u65cb\u8f6c 90 \u5ea6\u3002\u7136\u540e\uff0c\u4e24\u7ec4\u5149\u675f\u90fd\u8fdb\u5165\u504f\u632f\u5149\u5206\u675f\u5668 (PBS)\u3002\u8fd9\u6837\uff0c\u6a21\u5757\u7684\u8f93\u51fa\u529f\u7387\u5c31\u80fd\u589e\u52a0\u4e00\u500d\u3002 \u5149\u7ea4\u8026\u5408\u6fc0\u5149\u5668<\/strong> \u800c\u4e0d\u589e\u52a0\u7a7a\u95f4\u8db3\u8ff9\u6216 BPP\u3002.<\/p>\n\n\n\n However, PBC introduces thermal sensitivity. The PBS and waveplates must have ultra-low absorption coatings (< 5 ppm). Any heat absorbed by these components can cause “thermal lensing,” which shifts the focal point of the beams and degrades the coupling efficiency into the fiber.<\/p>\n\n\n\u7a7a\u95f4\u9650\u5236\uff1a\u9636\u8dc3\u955c\u548c BPP \u7ba1\u7406<\/h2>\n\n\n\n
\u9636\u68af\u955c\u5efa\u7b51<\/h3>\n\n\n\n
\u504f\u632f\u548c\u5149\u8c31\u7ec4\u5408\uff1a\u52a0\u500d\u5bc6\u5ea6<\/h2>\n\n\n\n
\u504f\u632f\u6ce2\u675f\u5408\u6210\uff08PBC\uff09<\/h3>\n\n\n\n