DFB Lasers

Keywords: DFB, laser diode, LD, DL, narrow widthband

Aug 18, 2021 View: 1763 Data Sheet

Distributed feedback (DFB) lasers provide tunable wavelength output with extremely narrow spectral width and long coherence length. Integrated modules offer further narrowing of the spectral line in a compact OEM package with a simple tuning interface.

Online submission 1392360513 sales@SintecOptronics.cn

STC Series DFB/ DBR/ VCSEL Laser

We offer DFB/ DBR/ VCSEL laser, which is special designed for gas detection such as CH4, H2S, NH3, H2O, CO, CO2, C2H4, HF, C2H2, etc. Features with narrow linewidth up to 2MHz, ultra compact dimension, high power and wavelength stability, they are widely used in fiber gas detection, seed light source, fiber optical sensing field, etc.

Features:

Stable wavelength and output power;
Narrow linewidth;
No jump mode output in operating current range

Applications:

Optical fiber gas detection system;
Optical sensing;
Fiber communications

Laser Wavelength for Gas Detection

as Composition	Chemical Formula	Absorption Spectrum
Methane	CH4	1650.9 nm, 1653.7 nm
Hydrogen sulfide	H2S	1578 nm, 1590 nm
Ammonia	NH3	1512 nm
Carbon monoxide	CO	1567 nm
Carbon dioxide	CO2	1580 nm
Acetylene	C2H2	1532.68 nm
Ethylene	C2H4	1620 nm, 1625 nm, 1627 nm
Hydrogen fluoride	HF	1268.7 nm, 1273 nm, 1305 nm, 1312 nm
Water	H2O	1368 nm, 1392 nm

Lasers for Fiber Communication:

Model	Wavelength	Output Power
STC-TEM-F-1268DFB	1268 nm	1-10 mW
STC-TEM-F-1273DFB	1273 nm	1-10 mW
STC-TEM-F-1305DFB	1305 nm	1-10 mW
STC-TEM-F-1310DFB	1310 nm	1-10 mW
STC-TEM-F-1312DFB	1312 nm	1-10 mW
STC-TEM-F-1368DFB	1368 nm	1-10 mW
STC-TEM-F-1392DFB	1392 nm	1-10 mW
STC-TEM-F-1450DFB	1450 nm	1-20 mW
STC-TEM-F-1470DFB	1470 nm	1-20 mW
STC-TEM-F-1490DFB	1490 nm	1-20 mW
STC-TEM-F-1512DFB	1512 nm	1-10 mW
STC-TEM-F-1532DFB	1532 nm	1-20 mW
STC-TEM-F-1540DFB	1540 nm	1-20 mW
STC-TEM-F-1550DFB	1550 nm	1-30 mW
STC-TEM-F-1560DFB	1560 nm	1-20 mW
STC-TEM-F-1567DFB	1567 nm	1-10 mW
STC-TEM-F-1573DFB	1573 nm	1-20 mW
STC-TEM-F-1578DFB	1578 nm	1~10 mW
STC-TEM-F-1580DFB	1580 nm	1~10 mW
STC-TEM-F-1590DFB	1590 nm	1-20 mW
STC-TEM-F-1610DFB	1610 nm	1-20 mW
STC-TEM-F-1620DFB	1620 nm	1~10 mW
STC-TEM-F-1625DFB	1625 nm	1~10 mW
STC-TEM-F-1627DFB	1627 nm	1~10 mW
STC-TEM-F-1651DFB	1651 nm	1~10 mW
STC-TEM-F-1653DFB	1653 nm	1~10 mW

STC Series Wavelength Tunable Laser

We offer wavelength tunable laser, the output wavelengths can be changed continuously within a certain range. Tunable lasers come with good beam quality, high stability and long life time, they are widely used in spectroscopy, photochemistry, medicine, biology, integrated optics, laser processing, etc.

Features:

Good beam quality;
Compact design;
High stability;
Long life time;
Easy operation

Applications:

Spectroscopy;
Medicine; Photochemistry;
Biology;
Integrated optics

Tunable Diode Laser

Tunable Wavelength Band	Model	Output Power	Spectral Linewidth
403~407 nm	STC-TUN-403~407	1~30 mW	<0.1 nm
408~412 nm	STC-TUN-408~412	1~30 mW	<0.1 nm
448~452 nm	STC-TUN-448~452	1~10 mW	<0.1 nm
518~522 nm	STC-TUN-518~522	1~10 mW	<0.1 nm
634~643 nm	STC-TUN-634~643	1~10 mW	<0.1 nm
652~658 nm	STC-TUN-652~658	1~10 mW	<0.1 nm

Tunable Ti:Sapphire Laser

Tunable Wavelength Band	Model	Output Power	Spectral Linewidth
770~840 nm	STC-TUN-TiN-770~840	1~400 mW	<40 pm
770~840 nm	STC-TUN-Ti-770~840	1~1000 mW	<2 nm
770~840 nm	STC-TUN-TiA-770~840	1~1300 mW	<2 nm