1557.4nm DFB SM Laser diode（TO39）

Centre Wavelength 1557.4nm, Output power 10 mW, Narrow Linewidth < 2MHz, Tolerance ±1nm, TO39

Part Number : PL-DFB-1557.4-A-A81-TO39

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Stock NO. : A80011150

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Overview
Laser Specifications
PDF
RFQ

The PL-DFB-1557.4-A-A81 1557.4nm 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 TO39 package with TEC and PD Built in.

Electrical/Optical Characteristics (Tsub=25°C, CW bias unless stated otherwise)

Parameter	Symbol	Min	Typ	Max	Unit
Centre Wavelength	λ	1556.5	1557.0	1558.5	nm
Side Mode Suppression Ratio	SMSR	30	40		dB
Threshold Current	Ith		20	30	mA
Operating Current	Iop		80	120	mA
Chip output Power	Pf	15	20	30	mW
Quantum Efficiency	η	0.08	0.12		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

Spectrum

1557.4.png

L-I Curve

DFB Linewidth Testing Result

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1557.4nm DFB Tunable Laser diode（TO39 Package）.pdf

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Product title: 1557.4nm DFB SM Laser diode（TO39）
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1557.4nm DFB SM Laser diode（TO39）

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