波长锁定974nm半导体激光器模块的研制

The Development Of 974nm Wavelength Locked Semiconductor Laser Module

摘要:

波长锁定974nm半导体激光器模块为掺铒超荧光光纤光源(EDSFS)泵浦源,通过光栅光纤(FBG)对974nm半导体激光器芯片进行波长锁定,具有输出功率高和波长稳定的特点。本文讲述了974nm半导体激光器芯片和模块封装的设计和制作,制作的974nm半导体激光器模块能够实现全温范围内(-45~70℃)的波长锁定,在200mA的工作电流下,输出功率达到123mW,中心波长974±1nm,3dB谱宽0.20nm,波长温度变化量为0.006nm/℃,能够极好的满足EDSFS对半导体激光器模块的应用要求。

Abstract:

The 974nm semiconductor laser module of locking wavelength is good pump source of EDSFS. The 974nm semiconductor chip is locked by the FBG, it has the advantages of high output power and stable wavelength. This paper describes the design and fabrication of 974nm semiconductor chip and module. The 974nm semiconductor laser module can lock wavelength in the full temperature range, output power 123mw, central wavelength 974±1nm, 3dB spectral width 0.20nm, wavelength temperature coefficient 0.006nm/℃,meet the application requirements of EDSFS.