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1550nm compact laser modules are specialized infrared light sources designed for high-precision, space-constrained applications, particularly in LIDAR, optical communication, and fiber sensing. These modules often feature Distributed Feedback (DFB) technology for narrow linewidth, high-stability operation, and are commonly available in fiber-coupled (SM/PM) or free-space configurations.
Key Features and Technical Specifications
- Operating Wavelength: 1550 nm (short-wave infrared, ideal for eye-safe applications).
- Power Output: Ranging from low-power (4 mW - 20 mW) to high-power modules (100 mW - 500 mW, with some reaching up to 5W).
- Linewidth & Stability: Ultra-narrow linewidths (to) with high Side Mode Suppression Ratio (SMSR > 50 dB).
- Package Types: Compact "MatchBox" series, 14-pin butterfly packages, or OEM-tailored modules.
- Thermal Control: Often include thermoelectric cooler (TEC) stabilization for long-term power stability.
Common Applications
- LIDAR & Rangefinding: 1550nm is popular for long-distance, eye-safe, and covert, high-resolution 3D sensing.
- Optical Fiber Sensing: Used in Distributed Temperature, Strain, or Acoustic Sensing (DTSS/DTAS).
- Optical Communication: Suitable for metropolitan area networks (MAN) and long-distance transmission.
- Scientific & Industrial: Ideal for infrared absorption, optical guiding, and spectroscopy.
Example Products and Suppliers
- Integrated Optics: MatchBox series for portable handheld devices.
- RIO (Redfern Integrated Optics): ORION 1550 nm modules for high-precision OEM applications.
- Civil Laser Manufacturer: High-power and ultra-narrow linewidth DFB PM modules.
- Optilab: DFB and SWL (Swept Wavelength) laser modules.
- Thorlabs: Compact laser diode modules with shutter (e.g., LDM1550).
- Hitronics: Offers various, including auto-grade 1550nm modules for LIDAR.
These modules are often chosen for their ability to integrate into 24/7, harsh-environment scenarios while maintaining high reliability.
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ORION 1550 nm Laser Module
RIO Lasers
https://rio-lasers.com › 1550-nm-laser-module
RIO Lasers
https://rio-lasers.com › 1550-nm-laser-module
Compact 1550 nm 20 mW high performance laser module with proven narrow linewidth single frequency laser for OEM applications.
LDM1550 Compact Laser Diode Module with Shutter, 1550 ...
Thorlabs
https://www.thorlabs.com › item › LDM1550
Thorlabs
https://www.thorlabs.com › item › LDM1550
LDM1550Compact Laser Diode Module with Shutter, 1550 nm, 4.5 mW. 768,38 €. Qty:.Read more
€768.384-day delivery30-day returns
1550nm Compacted Laser Modules
Hitronics
https://www.global-hitronics.com › 1550nm-compacted...
Hitronics
https://www.global-hitronics.com › 1550nm-compacted...
Hitronics is a best 1550nm Compacted Laser Modules supplier in China,we supply various high quality 1550nm Compacted Laser Modules for sale,and also give ...
1550nm DFB Laser Diode Module
Fibermart
https://www.fiber-mart.com › Blog & News
Fibermart
https://www.fiber-mart.com › Blog & News
Dec 8, 2025 — The 1550nm DFB laser diode module is widely used in long-distance optical communication systems, including metropolitan area networks (MAN), ...Read more
Compact Laser Diode Modules
Thorlabs
https://www.thorlabs.com › compact-laser-diode-modules
Thorlabs
https://www.thorlabs.com › compact-laser-diode-modules
Max Power Ranging from 4.0 to 20 mW · Six Versions with Wavelengths Ranging from 405 to 1550 nm · SM1-Threaded for Lens Tube Compatibility.Read more
1550nm CW Single Mode Fiber Laser
SIMTRUM Photonics Store
https://www.simtrum.com › WebShop › ProductList5
SIMTRUM Photonics Store
https://www.simtrum.com › WebShop › ProductList5
SIMTRUM's 1550nm CW Fiber Laser offers 10-500mW and 1-20W power options, ensuring high precision for fiber sensing and optical communication in various ...
Bright New Multi-Junction 1550 nm Pulsed Laser Diodes
Laser Components
https://www.lasercomponents.com › news › bright-new-...
Laser Components
https://www.lasercomponents.com › news › bright-new-...
The result is an enabling technology for new eye-safe rangefinders that are small, portable, low cost and can range long distances targeting small spot areas.Read more
1550nm Lasers | Laser Diodes & Modules | RPMC Lasers Inc
rpmclasers.com
https://www.rpmclasers.com › wavelength › 1550nm-lasers
rpmclasers.com
https://www.rpmclasers.com › wavelength › 1550nm-lasers
These 1550nm lasers can be used for applications such as gas sensing. Contact us for a quote on any 1550nm SLEDs, Laser Diodes or Laser Diode Modules.
Directly Modulated Laser Module, 1550 nm, 4 GHz, PM ...
Optilab
https://www.optilab.com › products › directly-modulated...
Optilab
https://www.optilab.com › products › directly-modulated...
The Optilab DML-1550-PM-M is a directly modulated laser (DML) module with Polarization Maintaining fiber output at 1550 nm. The module integrates a DFB laser ...Read more
Tunable Laser, 1550nm Range C-Band, ECL
Laser Diode Source
https://www.laserdiodesource.com › 1550nm-narrow-lin...
Laser Diode Source
https://www.laserdiodesource.com › 1550nm-narrow-lin...
The RIO ORION™ tunable laser module is a compact and industry-proven OEM narrow linewidth low noise source designed for 24/7 operation in harsh environments ...Read more
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