The beam waist of the laser pulses after the focusing lens is measured by imaging method.
激光光束在聚焦透镜后的束腰半径可以由成像方法测得。
Thus the imaging quality of laser beam is improved after color mixing of optical fiber.
从而能提高激光经光纤混色后的光束成象质量。
Thus the imaging quality of laser beam is improved after color mixing of optical fiber.
从而能提高激光经光纤混色后的光束成象质量。
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