1532nm DFB Fiber-coupled BTF Laser Diode for Acetylene Gas Detection

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Product Description

Box Optronics provides the 1532nm DFB fiber-coupled BTF laser diode for acetylene gas detection in a 14PIN BTF package. These devices offer a very stable CW performance. SM fiber and PM fiber pigtail are optional. They have built-in TEC coolers and monitor PDs. They're frequently used in optical sensing. 1532nm DFB laser diodes can be used in acetylene(C2H2) gas detection system.

Product Detail

Features of 1532nm DFB Fiber-coupled BTF Laser Diode for Acetylene Gas Detection

● Multi-Quantum Well (MQW) Distributed Feedback(DFB) lasers;
● SMF-28e or PMF-1550 fiber pigtail;
● 14PIN Butterfly package;
● Built-in thermistor, and TEC;
● RoHS Compliant.

Applications of 1532nm DFB Fiber-coupled BTF Laser Diode for Acetylene Gas Detection

● TDLAS;
● Optical coherence experiment;
● Optical sensing.

Electro-Optical Characteristics(T=25℃)

Parameter	Symbol	Condition	Min.	Typ.	Max.	Unit
Center wavelength	λc	TL=15～35℃ CW	11531.68	1532.68	1533.68	nm
Optical output power	PF	-	6	-	20	mW
Threshold current	ITH	TL=25℃	-	-	20	mA
Operating voltage	VOP	25℃	-	-	2.5	V
Operating current	Iop	-	-	-	120	mA
Side-mode suppression ratio	SMSR	-	30	-	-	dB
Optical return loss	ORL	-	40	-	-	dB
Optical isolation	ISO	25℃	30	-	-	dB
Polarization extinction ratio	ER	-	18	-	-	dB
MPD Dark current	ID	IOP =0mA, VRM=5V	-	-	0.2	uA
MPD Current relative to output power	-	VRM=5V	10	-	200	mA/W
TEC Voltage	VTEC	-	-2.5	-	3.8	V
Bandwidth	BW	-	-	2.5	-	GHz
Thermistor resistance	RTH	25℃	9.5	10	10.5	KΩ
Thermistor B- value	β	25℃/ 80℃	-	3950	-	K
Carrier-to-Noise ratio	CNR	-	55	-	-	dB
Composite second- order	CSO	-	-	-	-55	dBm
Composite triple bea	-	-	-	-	-64	dBc

Package drawing&PIN-OUT Definition(Unit:mm)

Deliver,Shipping And Serving

All products have been tested before shipping out;

All products have 1 years warranty.(After the quality guarantee period began to charge appropriate maintenance service fee.)

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If the items you purchase from our store are not of perfected quality, that is they don‘t work electronically to manufacturers specifications, simply return them to us for replacement or refund;

If the items are defective, please notify us within 3 days of delivery;

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The buyer is responsible for all the shipping cost incurred.