Laser Diodes, Laser Modules

Image Part Number Description / PDF Quantity Rfq
PLPVQ 940A

PLPVQ 940A

OSRAM Opto Semiconductors, Inc.

LASER DIODE

0

SPL PL90_3

SPL PL90_3

OSRAM Opto Semiconductors, Inc.

LASER DIODE 905NM 90W RAD 5.7MM

533

SPL PL90

SPL PL90

OSRAM Opto Semiconductors, Inc.

LASER DIODE 905NM 30W RADIAL

431

SPL LL90_3

SPL LL90_3

OSRAM Opto Semiconductors, Inc.

LASER DIODE 905NM 70W RADIAL

0

PLT3 510

PLT3 510

OSRAM Opto Semiconductors, Inc.

LASER DIODE METAL CAN TO-38

0

PLT3 450C

PLT3 450C

OSRAM Opto Semiconductors, Inc.

BLUE LASER DIODE TO38 ICUT

0

PL 520_B1

PL 520_B1

OSRAM Opto Semiconductors, Inc.

LASER DIODE 520NM 50MW RAD 3LD

0

PLT5 450B

PLT5 450B

OSRAM Opto Semiconductors, Inc.

LASER DIODE 450NM 120MW TO56

0

PLPT9 450D_E A01

PLPT9 450D_E A01

OSRAM Opto Semiconductors, Inc.

LASER DIODE METAL CAN

0

PL 520_B2

PL 520_B2

OSRAM Opto Semiconductors, Inc.

LASER DIODE 515NM 30MW RAD 3LD

0

SPL S1L90A_3 A01

SPL S1L90A_3 A01

OSRAM Opto Semiconductors, Inc.

LIDAR-LASER

407

PLPT5 447KA

PLPT5 447KA

OSRAM Opto Semiconductors, Inc.

METAL CAN

488

SPL S4L90A_3 A01

SPL S4L90A_3 A01

OSRAM Opto Semiconductors, Inc.

LIDAR-LASER

407

PLT5 520_B4_5_6

PLT5 520_B4_5_6

OSRAM Opto Semiconductors, Inc.

LASER DIODE 513NM 30MW RAD 3LD

0

SPL DS90A_3

SPL DS90A_3

OSRAM Opto Semiconductors, Inc.

LASER DIODE 903NM MODULE

0

PL 450B

PL 450B

OSRAM Opto Semiconductors, Inc.

LASER DIODE 450NM 80MW RAD 3LD

0

PLT3 520D

PLT3 520D

OSRAM Opto Semiconductors, Inc.

LASER DIODE METAL CAN

0

PLT5 520_B1_2_3

PLT5 520_B1_2_3

OSRAM Opto Semiconductors, Inc.

LASER DIODE 520NM 50MW RAD 3LD

0

PLT5 510

PLT5 510

OSRAM Opto Semiconductors, Inc.

LASER DIODE 515NM 10MW RAD 3LD

0

PLPT5 450KA

PLPT5 450KA

OSRAM Opto Semiconductors, Inc.

METAL CAN

443

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

RFQ BOM Call Skype Email
Top