Dfb Laser Device, Butterfly Package, Precision Fiber Laser for Gas Testing.

• Customization: Available
• Type: Fiber Transceiver
• Wiring Devices: ODF
• Model NO.: Special Laser for Gas Detection
• Certification: ISO, RoHS
• Condition: New
• Transport Package: Carton
• Trademark: Own Brand(Ziguan
• Origin: China

Product Description

Exclusive DFB Laser for Precise Gas Detection

Explore our temperature-controlled pigtail laser series, featuring an innovative quantum well structure DFB laser. This series integrates built-in semiconductor refrigeration with an advanced laser welding process, culminating in a butterfly tail fiber package. The result is a compact, small-volume design that is extensively applied in optical fiber communication. The high power and exceptional wavelength stability under precise temperature control through semiconductor refrigeration make this laser indispensable in the realm of optical fiber sensors.

Distinguished Features

State-of-the-art Imported Quantum Well Structure (OMQs) DFB Semiconductor Laser Chip
Unwavering Wavelength Stability
Superior High Output Power
Robust Hermetic Package
Versatile Packaging Options: BF14 Pigtail Type, TF8 Space Type, TO39, and Other Customizations

Diverse Applications

Fiber Optic Gas Detection System for Enhanced Precision
Production and Testing of Passive Components for Gas Detection with Unmatched Accuracy

Rated Limit Operating Conditions:

Parameters	Symbol	Value	Unit
Forward current of laser diode	If(LD)	100	mA
Reverse voltage of laser diode	Vr(LD)	2	V
Operating current of backlight detector	If(PD)	2	mA
Operating voltage of backlight detector	Vr(PD)	20	V
Operating current of refrigerator	ITEC	2.4	A
Operating voltage of refrigerator	VTEC	2.9	V
Operating temperature	Topr	-20~+70	ºC
Storage temperature	Tstg	-40~+85	ºC
Lead welding temperature/time	Tsld	260/10	ºC/s

 

Technical Parameters: (Measurement Environment Temperature is 25ºC)

Parameters	Symbol	Condition	Min.	Typ.	Max.	Unit
Optical power	PO	CW	3		10	mW
Threshold current	Ith	CW	−	12	18	mA
Operating current	Iop	CW, 5mW	-	−	100	mA
Operating voltage	Vop	CW, 5mW	−	1.5	2.0	V
Slope efficiency	η	CW, 5mW	0.05	0.1	−	mW/mA
Peak wavelength	λp	CW, 5mW@25ºC	λc -1	λc	λc+ 1	nm
Wavelength stability	λs	CW,5mW@25ºC	-0.1nm		+0.1	dB
Side mode suppression ratio	SMSR	CW, 5mW	35	−	−	nm
Spectral width(20dB)	Δλ	CW, 5mW	−	0.2		nm/ºC
Wavelength drift coefficient with temperature	Δλ/T	Steady operating current		0.1		nm/ºC
Wavelength drift coefficient with current	Δλ/I	Steady operating temperature		0.01		nm/mA
Thermistor	Rth	Ttherm = 25ºC	9.5	10	10.5	kΩ

Important Notice:
In the domain of gas detection, leveraging the absorption spectrum data from HITRAN reveals multiple absorption peaks for identical gases. Clients are advised to select the optimal center wavelength position aligning with their system requirements.

Comprehensive Gas Absorption Reference Table:
 

Gas component	Absorption wavelength
O2	761nm,764nm (VCSEL)
HF	1268.7nm,1273nm,1278nm
H2O	1368.59nm,1392nm
NH3	1512nm
C2H2	1532.68nm
CO	1567nm
H2S	1578nm
Co2	1580nm,2.0um
C2H4	1620nm,1627nm
CH4	1647nm,1650.9nm,1653.7nm,1660nm
HCl	1742nm

Detailed External Dimensions:

 

 

Frequently Asked Questions

Q1: Is it possible to place a sample order? What is the minimum order quantity (MOQ)?

A1: Any interested party is warmly invited to initiate a sample order to thoroughly evaluate the exemplary quality.There is no MOQ; a single-piece sample is readily available.

Q2: What is the expected lead time?
A2: Typically, the lead time is approximately 1 week. For larger quantities and special products, please confirm the lead time with our sales representative.

Q3: What are the available payment options?
A3: We accept several payment methods: T/T, Paypal, Western Union, Cash, etc.

Q4: How long is your warranty period?
A4: Our products come with a 1-year warranty.

Q5: Is it possible to customize the logo, label, and packaging?
A5: Absolutely, we offer OEM services tailored to your specifications, including custom product labels, logos, PN, SN, and packaging.