NIR Laser Diodes


NIR Laser Diodes: Center Wavelengths from 705 nm to 2000 nm

  • Output Powers up to 3 W
  • Multiple Package Styles
  • In-House Manufactured and Third-Party Options Available


  • Fabry-Perot (FP), Distributed Feedback (DFB), and Vertical-Cavity Surface-Emitting (VCSEL) Laser Diodes
  • Output Powers up to 3 W
  • Center Wavelengths Available from 705 nm to 2000 nm
  • Various Packages Available: TO, TO Pigtails, Butterfly, VCSEL, C-Mount, and Chip on Submount
  • Easily Choose a Compatible Mount Using Our LD Pin Codes
  • Compatible with Thorlabs' Laser Diode and TEC Controllers
  • For Convenience, Thorlabs Retains the Item # of Third-Party Produced Laser Diodes (Axcel, Hitachi, Sanyo, and Mitsubishi)
  • OEM Solutions Available

This web page contains Thorlabs' laser diodes with center wavelengths from 705 nm to 2000 nm. Diodes are arranged by wavelength and then power. The tables below list basic specifications to help you narrow down your search quickly. Lasers that are highlighted in light green in these tables below are single-frequency laser diodes. The blue button in the Info column within the tables opens a pop-up window that contains more detailed specifications for each item, as well as mechanical drawings.

Notes on Center Wavelength
While the center wavelength is listed for each laser diode, this is only a typical number. The center wavelength of a particular unit varies from production run to production run, so the diode you receive may not operate at the typical center wavelength. Diodes can be temperature tuned, which will alter the lasing wavelength. A number of items below are listed as Wavelength Tested, which means that the dominant wavelength of each unit has been measured and recorded. After clicking "Choose Item" below, a list will appear that contains the dominant wavelength, output power, and operating current of each in-stock unit. Clicking on the red Docs Icon next to the serial number provides access to a PDF with serial-number-specific L-I-V and spectral characteristics.

Packages and Mounts
We offer laser diodes in various packages including standard Ø5.6 mm and Ø9 mm TO packages, as well as Fiber-Pigtailed TO-Packaged Diodes, Chip on Submounts, and C-Mounts. We have categorized the pin configuration of TO-packaged diodes in to standard A, B, C, D, E, F, G and H pin codes (see image below). This pin code allows the user to easily determine compatible mounts. TO-packed diodes are the most widely supported diodes by our product line, followed by butterfly-packaged lasers. Chip on Submount and C-Mount lasers are better suited for OEM applications.

Spatial Mode and Linewidth
Most lasers offered here are single-transverse mode ("single mode") and a few are designed for higher-power multi-transverse mode ("multimode") operation. We offer laser diodes with different output characteristics (power, wavelength, beam size, shape, etc.). Some single mode laser diodes can be operated with limited single-longitudinal mode characteristics. For better side-mode-suppression ratio (SMSR) performance, other device such DFB lasers or external cavity lasers should be considered. Thorlabs also offers very narrow linewidth (2 W, are also available. Please see our Laser Diode Tutorial for more information on these topics and laser diodes in general.

Laser diodes are sensitive to electrostatic shock. Please take the proper precautions when handling the device; see electrostatic shock accessories. Lasers diodes are also sensitive to optical feedback, which can cause significant fluctuations in the output power of the laser diode depending on the application. For all of the pigtailed laser diodes, the laser must be off when connecting or disconnecting the device from other fibers, particularly for lasers with power levels above 10 mW.

These laser diodes are designated for use solely as components and are not sold as a complete laser product.  The purchaser assumes the responsibility to comply with US 21 CFR 1040.10, US 21 CFR 1040.11, and IEC 60825-1, Edition 1.2 with regard to the use of these diodes and their introduction into commerce. 
Laser Diode Warranty

When operated within their specifications, laser diodes have extremely long lifetimes. However, most failures occur from mishandling or operating the lasers beyond their maximum ratings. Laser Diodes are highly static sensitive devices. Since Thorlabs does not receive any warranty credit from our laser manufacturers we cannot guarantee the lasers after their sealed package has been opened. Thorlabs will be happy to extend a full refund or credit for any lasers returned in their original sealed package within 30 days of purchase.

Please refer to the LD Operation tab for details on our warranty policies.

Thorlabs, Inc. Life Support and Military Use Application Policy

Thorlabs' products are NOT authorized for use as critical components in life support devices/systems or in any military applications without the express written approval of the president of Thorlabs.

  1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user.
  2. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness.
  3. The Thorlabs products described in this document are not intended nor warranted for usage in Military Applications.



Our Mission is to accelerate the advancement of optical technology for precision measurements and their applications from the table tops of research laboratories to standard use in communication and high technology industries. Our aim is to serve our customers. Our hope is to create a place for highly skilled people in an open environment

contact us

Tel               +966 35823441
Fax               +966 35823441
Egypt Mobile  +2 0120 7577664
KSA Mobile     +966 545 991188
Email             This email address is being protected from spambots. You need JavaScript enabled to view it.