narrow span 中文意思是什麼
narrow span
解釋
小翼展-
Secondly, we propose and demonstrate experimentally a novel multi - wavelength erbium - doped fiber ring laser by using a mach - zehnder fiber interferometer and composite cavity. as a result, simultaneous multi - wavelength oscillations with narrow linewidth and equal wavelength span are obtained in room temperature. this device has advantageous of simple design fabrication and low cost et al
進一步，我們設計了一種新穎的多波長摻鉺光纖環形激光器，這種激光器是利用mach - zenhder （ m - z ）光纖型干涉儀作為梳狀濾波器，並且與復合腔共同選頻，獲得了窄線寬、等間隔的多波長同時輸出，這種激光器具有在常溫工作，結構簡單，成本低等優點。
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