- เมโสหน้าใส เห็นผลช้า-เร็วไม่เท่ากันเกิดจากอะไร ?A dispersed Bragg reflector laser (DBR) is actually a type of single-frequency laser diode.[11] It's characterised by an optical cavity consisting of an electrically or optically pumped acquire region amongst two
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Extension of the lifetime of laser diodes is vital to their continued adaptation to a wide variety of apps.Determine seven. When an exceptionally substantial quantity of laser modes that all Possess a “zero” in a similar posture interfere, the resultant superposition is an extremely slender pulse.are often used Using the exact same this means,