DFB

The PL-DFB-780-C-A81 780nm DFB laser diode module made by LD-PD is a cost effective, highly coherent laser source. The DFB laser diode chip is packaged in an industry standard hermetically sealed 14Pin Butterfly Free space Collimated output package with TEC and PD Built in.

Product model

Tunable 780nm DFB Laser(14Pin Butterfly Free Space Collimated Output)

PL-DFB-780-C-A81-14FSCO

Central wavelength 780nm, Output power 100mW, Narrow Linewidth < 1MHz, Tolerance ±1nm, Free Space Collimated Output

Central wavelength: 780nm

Output power: 100mW

Package: 14pin - BF

Parameter

Features

● With hermetic 14 Pin-Butterfly Housing (RoHS compliant)

● With integrated Beam Collimation

● Including Monitor Diode, Thermoelectric Cooler and Thermistor

Laser Specifications

Tsub=25°C, CW bias unless stated otherwise

Parameter	Symbol	Min	Typ	Max	Unit
Centre Wavelength	λ	777	780	785	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		20	50	mA
Operating Current	Iop		200	250	mA
Chip output Power	Pf	100	150		mW
Quantum Efficiency	η	0.4	0.45		mW/mA
Current Tuning Coefficient	∆λ/∆I		0.015		nm/mA
Temperature Tuning Coefficient	∆λ/∆T		0.12		nm/K
Forward Voltage	Vf		1.3	2	V
Thermistor Resistance	RT	9.5	10	10.5	KΩ
Thermistor Temp. Coefficient			-4.4		%/°C
Line width	LW		500	1000	kHz
Relative Intensity Noise	RIN	-135	-140	-145	dB/Hz
Isolation	ISO	30			dB