Dfb Laser Device, Butterfly Package, Advanced Gas Detection Technology Solution.

• 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

Introducing Our Special DFB Laser for Precise Gas Detection

Discover the cutting-edge Temperature Controlled Pigtail Laser Series, crafted with a state-of-the-art quantum well structure DFB laser. This series boasts built-in semiconductor refrigeration and utilizes an advanced laser welding process to achieve a butterfly tail fiber packaging. Its compact design and small volume make it an ideal choice for the dynamic field of optical fiber communication. Thanks to its high power capabilities and excellent wavelength stability under precise temperature control, it is also extensively employed in optical fiber sensor applications.

Distinguished Features

Incorporates Imported Quantum Well Structure (OMQs) DFB Semiconductor Laser Chip
Ensures Stable Wavelength Performance
Offers High Output Power
Hermetically Sealed Package for Enhanced Durability
Packaging Options: BF14 Pigtail Type, TF8 Space Type, TO39 and Other Customizable Designs

Wide Range of Applications

Perfect for Fiber Optic Gas Detection Systems
Essential in Production and Testing of Passive Components for Gas Detection

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 Specifications: (Test 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 Notes:
When conducting gas detection, based on absorption spectrum data from HITRAN, there are typically several absorption peaks for the same gas. It's crucial for customers to select the optimal center wavelength location that aligns with their specific system requirements.

Refer to the 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

Considerations for External Dimensions:

 

 

Frequently Asked Questions (FAQ)

Q1: Is it possible to place a sample order? What is your Minimum Order Quantity (MOQ)?

A1: Any buyer is welcomed to place sample order to test the quality. No MOQ, 1pcs sample is available.

Q2: What is the estimated lead time for orders?
A2: Our typical lead time is approximately 1 week. For large quantities and specialized products, please confirm the lead time with our sales representative.

Q3: Can you please elaborate on your payment terms?
A3: We accept various payment methods including T/T, Paypal, Western Union, and Cash Payment.

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

Q5: Is it possible to use our own branding, labeling, and packaging?
A5: Absolutely, we offer OEM services to customize product labels, logos, part numbers, serial numbers, and packaging according to your requirements.