Laser Diodes, Laser Modules

Image Part Number Description / PDF Quantity Rfq
SPL BY81-12 (808,0 +/-1,5NM)

SPL BY81-12 (808,0 +/-1,5NM)

OSRAM Opto Semiconductors, Inc.

LASER BAR

0

SPL BK94-40 (929.0 +/-5NM)

SPL BK94-40 (929.0 +/-5NM)

OSRAM Opto Semiconductors, Inc.

LASER BAR HIGH POWER

0

SPL BF98-40-5-12B (964,5 +/-2NM)

SPL BF98-40-5-12B (964,5 +/-2NM)

OSRAM Opto Semiconductors, Inc.

LASER BAR

0

DM200-01-1-9520-0-LC

DM200-01-1-9520-0-LC

Finisar Corporation

LASER DIODE 1536NM 1.995MW

0

DM80-01-1-9260-3-LC

DM80-01-1-9260-3-LC

Finisar Corporation

LASER DIODE 1557NM 5.011MW

0

HFD6380-913

HFD6380-913

Finisar Corporation

PHOTODETECTOR

0

SPL BY81-12 (798,0 +/-1,5NM)

SPL BY81-12 (798,0 +/-1,5NM)

OSRAM Opto Semiconductors, Inc.

LASER BAR

0

DM80-01-4-9450-3-LC

DM80-01-4-9450-3-LC

Finisar Corporation

LASER DIODE 1541NM 2.511MW

0

E2560D59

E2560D59

Broadcom

LASER DIODE

0

HFD3081-905

HFD3081-905

Finisar Corporation

PHOTODETECTOR

0

DM80-01-3-9350-3-LC

DM80-01-3-9350-3-LC

Finisar Corporation

LASER DIODE 1549NM 2.511MW

0

E2560S26

E2560S26

Broadcom

LASER DIODE

0

PLPT9 450C

PLPT9 450C

OSRAM Opto Semiconductors, Inc.

LASER DIODE

0

DM80-01-3-8870-3-LC

DM80-01-3-8870-3-LC

Finisar Corporation

LASER DIODE 1589NM 2.511MW

0

NX7437BF-AA-AZ

NX7437BF-AA-AZ

CEL (California Eastern Laboratories)

LASER DIODE 1490NM 90MW MODULE

0

E2560S22

E2560S22

Broadcom

LASER DIODE

0

HFE4192-581

HFE4192-581

Finisar Corporation

LASER DIODE 850NM 0.4MW TO46-4

0

DM80-01-3-9320-3-LC

DM80-01-3-9320-3-LC

Finisar Corporation

LASER DIODE 1552NM 2.511MW

0

E2560D56

E2560D56

Broadcom

LASER DIODE

0

E2560D26

E2560D26

Broadcom

LASER DIODE

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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