852nm 40mW DFB single mode laser diode (high coherence laser source)

Idealphotonics' 852nm DFB laser diode is a cost-effective, high-coherence laser light source. The DFB laser diode chip is packaged in an industry-standard 14-pin butterfly package with built-in TEC and PD. Our specialized design is suitable for operation at room temperature. Our diodes have good performance at 20℃-30℃.

Product features：Narrow linewidth <2MHz High output power、 Good wavelength stability、 Industry standard 14-pin butterfly package、 No mode hop、 Excellent reliability

Application area：Tunable laser absorption spectroscopy technology、 Seed laser、 Fiber laser

Unit Price

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Part Number

PL-DFB-852-A-A81-SA-R

Lead Time

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Stock

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General Parameters

Download Document

Dimensional Drawing

Parameters

Parameter	Symbol	Min.	Typical	Max.	Unit
Central wavelength	λ	851.5	852	852.5	nm
Side mode suppression ratio	SMSR	30	40		dB
Threshold current	I_th		20	30	mA
Operating current	I_op		120	150	mA
Operating temperature	T_op	20	25	30	℃
Output power	P_f	10	30	50	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	V_f		1.3	2	V
Thermistor	R_T	9.5	10	10.5	KΩ
Thermistor temperature coefficient			-4.4		%/°C
Connector		FC/APC

Note: Applicable to working at 20℃ -30℃.

Absolute Maximum Parameters

Parameter	Symbol	Min.	Typical	Max.
Case temperature	℃	-5	25	70
Chip temperature	℃	+10	25	40
Operating current	mA	0	150	200
Forward voltage	V	0.8	1.2	2.0
TEC current	V	-	-	3.0
TEC voltage	A	-	-	4.0
Reverse voltage (LD)	V	-	-	2.0
Reverse voltage (PD)	V	-	-	20

Spectrum

Wavelength tuning curve

Power curve

Pin definition

1	Thermoelectric Cooler (+)	8	N/C
2	Thermistor	9	N/C
3	PD Monitor Anode (-)	10	Laser Anode (+)
4	PD Monitor Cathode (+)	11	Laser Cathode (-)
5	Thermistor	12	N/C
6	N/C	13	Case Ground
7	N/C	14	Thermoelectric Cooler (-)

Ordering Information

PL-DFB -□□□□-☆-A8▽-XX-R（R represents room temperature）

□□□□：wavelength

852: 852nm

1532：1532nm

1392：1392nm

1512：1512nm

1567: 1567nm

*****

1653.7: 1653.7nm

☆ : output power

☆A：40mW

☆B：70mW

▽：wavelength tolerance

1：±1nm

2：±2nm

XX：fiber and connector type

SA=HI780+ FC/APC

SP=HI780+ FC/PC

PA=PM980 fiber+FC/APC

PP=PM980 fiber+FC/PC

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