20mw-40mw 1550nm Pulse Laser Module

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The 20mw-40mw 1550nm pulse laser module has a maximum output power of 60mw due to the use of a DFB chip. Its high performance makes it ideal for use in OTDR systems.

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Unit
Pulsed Forward Current	IFP		500	mA
Reverse Voltage	VR		2	V
Reverse Voltage (monitor PD)	VRM		10	V
Reverse Current (monitor PD)	IFPM		2	mA
Operating Temperature	TC	0	60	°C
Storage Temperature	Tstg	-40	85	°C
Lead Soldering Temperature	Tsld		260(10s)	°c
Relative Humidity (Noncoagulable)	RH		85	%

Optical & Electrical Characteristics

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Forward Voltage	VFP		2.0	2.5	V	IFP = 200 mA, PW = 10μs, Duty = 1%
Threshold Current	Ith		5	10	mA
Optical Output Power From SM Fiber	Pf	20	40		mW	IFP =200 mA, PW = 10μs, Duty = 1%
Center Wavelength	λc	1530	1550	1570	nm	IFP = 200 mA, PW = 10μs, Duty = 1%
Spectral Width	σ			4	nm	RMS (-3 dB)
Rise Time	tr		0.5	2.0	ns	10-90%
Fall Time	tf		0.5	2.0	ns	90-10%
Monitor Current	Im	0.05		2	mA	VRM = 5 V