Laser Diodes, Laser Modules

Image Part Number Description / PDF Quantity Rfq
DM80-01-3-9560-3-LC

DM80-01-3-9560-3-LC

Finisar Corporation

LASER DIODE 1533NM 2.511MW

0

NX7537BF-AA-AZ

NX7537BF-AA-AZ

CEL (California Eastern Laboratories)

LASER DIODE 1550NM 120MW MODULE

0

DM200-01-1-9470-0-LC

DM200-01-1-9470-0-LC

Finisar Corporation

LASER DIODE 1539NM 1.995MW

0

DM80-01-3-9450-3-LC

DM80-01-3-9450-3-LC

Finisar Corporation

LASER DIODE 1541NM 2.511MW

0

DM80-01-3-9090-3-LC

DM80-01-3-9090-3-LC

Finisar Corporation

LASER DIODE 1570NM 2.511MW

0

SPL BZ102-20 (1013 +/-5NM)

SPL BZ102-20 (1013 +/-5NM)

OSRAM Opto Semiconductors, Inc.

BARE LASER BAR

0

D2547P29

D2547P29

Broadcom

LASER MODULE

0

E2560S38

E2560S38

Broadcom

LASER DIODE

0

D2547P34

D2547P34

Broadcom

LASER MODULE

0

SPL BF98-40-5 (969,3 +/-2NM)

SPL BF98-40-5 (969,3 +/-2NM)

OSRAM Opto Semiconductors, Inc.

LASER BAR

0

E2560D39

E2560D39

Broadcom

LASER DIODE

0

SPL BY81-15 (803.5 +/-2NM)

SPL BY81-15 (803.5 +/-2NM)

OSRAM Opto Semiconductors, Inc.

LASER BAR

0

DM80-01-1-9370-3-LC

DM80-01-1-9370-3-LC

Finisar Corporation

LASER DIODE 1548NM 5.011MW

0

DM200-01-4-9550-0-LC

DM200-01-4-9550-0-LC

Finisar Corporation

LASER DIODE 1533NM 1.995MW

0

SPL BK94-20 (931 +/-2NM)

SPL BK94-20 (931 +/-2NM)

OSRAM Opto Semiconductors, Inc.

BARE LASER BAR

0

HFE6192-800

HFE6192-800

Finisar Corporation

PHOTODETECTOR

0

E2560S41

E2560S41

Broadcom

LASER DIODE

0

DM80-01-4-9570-3-LC

DM80-01-4-9570-3-LC

Finisar Corporation

LASER DIODE 1532NM 2.511MW

0

VLM-650-16-LPT

VLM-650-16-LPT

Quarton, Inc.

LASER DIODE 650NM 3.5MW 8.5MM

0

DM80-01-1-9220-3-LC

DM80-01-1-9220-3-LC

Finisar Corporation

LASER DIODE 1560NM 5.011MW

0

Laser Diodes, Laser Modules

1. Overview

Laser diodes (LDs) are semiconductor devices that emit coherent light through stimulated emission. Laser modules integrate LDs with optical components, drivers, and thermal management systems. These devices are critical in telecommunications, medical systems, industrial processing, and consumer electronics due to their high efficiency, compact size, and precise beam control.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Edge-Emitting Laser DiodesHigh power output, narrow spectral widthFiber optic communication, LIDAR
Vertical-Cavity Surface-Emitting Lasers (VCSELs)Low divergence beam, array scalability3D sensing, data centers
Quantum Cascade LasersTunable mid-infrared emissionGas sensing, spectroscopy
Fiber-Coupled Laser ModulesIntegrated beam shaping, wavelength stabilizationMaterial processing, medical surgery
Multi-Transverse Mode LasersHigh brightness, multimode outputLaser projection, defense systems

3. Structure and Components

Laser Diodes: Composed of an active region (quantum well structure), cladding layers, and a resonant cavity formed by cleaved facets. Electrical contacts enable current injection.

Laser Modules: Integrate LDs with:

  • Collimating optics and beam-shaping elements
  • Photodiode feedback for power stabilization
  • Thermoelectric coolers (TEC) for temperature control
  • Driver circuits with modulation capabilities

4. Key Technical Specifications

ParameterDescriptionImportance
Wavelength (nm)Emission spectrum peakDetermines material compatibility and application suitability
Output Power (mW/W)Optical power levelCritical for processing speed and transmission distance
Wall-Plug Efficiency (%)Electrical-to-optical conversion rateAffects thermal management and power consumption
Beam Quality (M )Deviatoin from ideal Gaussian beamImpacts focusing precision and coupling efficiency
Lifetime (hours)Mean time before power 10%System reliability and maintenance intervals

5. Application Fields

Telecommunications: DWDM systems, free-space optical links

Medical: Laser scalpels, photodynamic therapy devices

Industrial: Cutting/welding machines, 3D printers

Consumer Electronics: LiDAR for AR/VR, facial recognition systems

Scientific: Atomic clocks, quantum computing research

6. Leading Manufacturers & Products

ManufacturerRepresentative ProductKey Features
LumentumLD-XX-Y Series1550nm wavelength, 100mW output, telecom-grade reliability
IPG PhotonicsLM-ABC-10WSingle-mode fiber delivery, 10W output at 976nm
CoherentOBIS Flexx SeriesTunable visible/near-IR output, integrated control
Hamamatsu PhotonicsL8612 SeriesPulsed VCSEL with 940nm peak wavelength

7. Selection Guidelines

Key considerations:

  • Wavelength compatibility with target material/transmission medium
  • Required power stability over temperature variations
  • Modulation speed requirements for communication systems
  • Environmental factors (humidity, vibration, operating temperature)
  • Form factor constraints and cooling method availability

8. Industry Trends

Emerging developments include:

  • High-power single-mode fiber lasers for metal processing
  • VCSEL arrays with >50% wall-plug efficiency for LiDAR
  • Photonic integrated circuits combining LDs with modulators
  • UV and deep-IR emitting devices for advanced spectroscopy
  • AI-driven thermal management systems for extended lifetime

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