1550nm DFB Light Source

Narrow Linewidth Light Source Module (above) 1550nm Narrow Linewidth Light Source (above)   Description: Narrow Line-width DFB Light Source, Central wavelength 1527-1570nm (100GHz ITU Grid), etc, Line width 10 KHz, 100 KHz, 500 KHz, 1 MKz, etc, Output power 0 to 20 mW, Optical Isolator ≥35 dB, CW Side mode Suppression Ratio (SMSR) ≥35 dB. OEM model is well available on customer’s special request.    Applications: Optical fiber sensing Optical fiber passive component spectrum testing Optical fiber measurement equipments   Features: High output power High output power stability High wavelength stability   Specifications: Parameters DFB laser Central wavelength (nm) 1527~1570(100GHz ITU Grid), etc Line width (Hz) ≤10K ≤100K ≤500K ≤1M Output power (mW) 0~20 Optical Isolator (dB) ≥35 Side mode Suppression Ratio CW (SMSR, dB) ≥35 Wavelength stability (pm) ± 50 ± 1 Short -term stability  (dB) ≤±0.005 dB/5 min Long- term stability  (dB) ≤±0.01 dB/8 hour Fiber pigtail SM-28 Fiber or PM fiber Output connector FC/PC, FC/UPC or FC/APC, etc Operating temperature (℃) 0 ~ 40 Storage temperature (℃) -20 ~ 70 Power supply AC 110/220V±10%, 50Hz, 20W Dimensions (L×W×H, mm) 90×70×18(Module), or 320×220×90(Desk-top)     Ordering Information OS-NL Package Type Linewidth Operating Wavelength Output Power Fiber Type Connector 　 M=Module D=Desk-top A=10 KHz B=100 KHz C=500 KHz D=1 MHz etc 33=1550.92nm 34=1550.13nm  ITU  etc 1=1mW         10=10mW etc S=SM Fiber P=PM Fiber FC/APC  SC/APC etc