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One-Tab C-Mount Laser Diodes

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One-Tab C-Mount Laser Diodes




  • Ideal for High-Power and OEM Applications
  • Single Mode and Multimode Versions
  • 785, 1208, or 2000 nm Central Wavelength

Stock Level

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Features

  • C-Mount Available in 785 nm, 1208 nm, and 2000 nm Center Wavelengths
  • High Optical Output Power (Versions up to 3 W)
  • Dimension (L × W × H): 3 mm × 6.4 mm × 6.79 mm

Our high-quality one-tab C-mount package laser diodes are available as broad-area, high-power devices or Fabry-Perot laser diodes. The industry-standard, one-tab C-mount package is easy to mount and provides good thermal contact, making it an ideal choice for high-power and OEM applications. Thorlabs' one-tab C-mount package has two welded gold contacts to the n- and p- doped semiconductor layers. The FPL series lasers are high-power, Fabry-Perot lasers (FPLs) based on state-of-the-art, quantum-well epitaxial layer growth and reliable ridge waveguide structure. Thorlabs offers these lasers in one of three configurations: chip on submount, C-Mount, and butterfly package. Our Broad Area Laser (BAL) diodes are used for solid-state laser pumping, material processing, and medical applications as well as in scientific research.

For mounting options, Thorlabs offers the LDCM1 Passive Thermal Mount. This mount provides a passive heat sink and mount that facilitates quick installation and removal for the FPL785CM and FPL2000CM. The compact [0.75" × 0.75" × 0.80" (19 mm x 19 mm x 20 mm) L × W × H], finned aluminum block provides up to 2 W of passive thermal dissipation. It is designed for low-power laser diodes and is fully compatible with the FPL785CM and FPL2000CM one-tab C-Mount laser diodes. It is not recommended for use with the BAL1112CM laser diode, as running it above 1.5 A (~100 – 150 mW output power) will quickly overwhelm the capacity of the 2 W passive thermal heat sink.

Please see our Laser Diode Tutorial for more information on these topics and laser diodes in general and contact us to inquire about customized C-mount laser diodes.

Handling C-Mount Laser Diodes
Proper precautions must be taken when handling and using C-mount laser diodes. Since these laser diodes are sensitive to electrostatic shock, they should always be handled using standard static-avoidance practices. Additionally, these laser diodes should be used with a high-quality, constant current driver specifically designed for use with laser diodes.

Unlike TO can and butterfly packages, the laser chip of a C-mount laser diode is exposed to air; hence, there is no protection for the delicate laser chip. Contamination of the laser facets must be avoided. Do not blow on the laser or expose it to smoke, dust, oils, or adhesive films. The laser facet is particularly sensitive to dust accumulation.

During standard operation, dust can burn onto the laser facet causing tiny “specs” that will lead to premature degradation of the laser. If operating a C-mount laser for long periods of time outside a cleanroom, it should be sealed in a container to prevent dust accumulation.

As with all laser diodes, temperature regulation is necessary for sustained, reliable, long-term operation. The back face of the C-mount package is machined flat to make proper thermal contact with a heat sink. However, do not use thermal grease with this package, as it can creep, eventually contaminating the laser facet. When making electrical connections, care must be taken if soldering to the wire lead. Solder with the C-mount already attached to a heat sink to avoid unnecessary heating of the laser chip. The flux fumes created by soldering can also cause laser damage, so care must be taken to avoid this.

 


785 nm, C-Mount

 

  • Fabry-Perot Laser Diode
  • 785 nm Center Wavelength
  • Quantum Well Structure

The FPL785CM Fabry-Perot laser is based on state-of-the-art, quantum-well epitaxial layer growth and reliable ridge waveguide structure. This FPL chip is manufactured to form an FP laser cavity tuned to emit 300 mW of CW light at 785 nm. The FP laser cavity yields a typical spectral bandwidth of ~0.5 nm.

Item # Center
Wavelength
Output Power
(Typical)
Typical/Max
Drive Current
BandwidthSlope
Efficiency
Spatial Mode
FPL785CM   785 nm 300 mW 400 mA / 450 mA 0.5 nm 0.95 W/A Single Mode

 


1208 nm, C-Mount

 

  • Broad Area Laser
  • 1208 nm Center Wavelength
  • Multiple Quantum Well Layer Structure

The BAL1112CM Broad Area Laser (BAL) diode is a compact, high-power sources that can be produced at a relatively low cost while providing larger emitter widths than those of conventional laser diodes. This diode is ideal for a cariety of applications requiring high output power, and can be custimized for targeted specifications such as wavelength and power to meet the user's needs. This device is built by using a highly efficient InP/InGaAsP Multiple Quantum Well (MQW) layer structure. In addition to the advanced ridge waveguide, this BAL diode features advanced epitaxial structures, wafer processing techniques, and die bonding processes. The BAL1112CM is a multimode laser with an output power in excess of 2.5 W.

Item # Center
Wavelength
Output Power
(Typical)
Typical/Max
Drive Current
BandwidthSlope
Efficiency
Spatial Mode
BAL1112CM   1208 nm 3000 mW 5000 mA / 7000 mA 1.5 nm 0.6 W/A Multimode

 


2000 nm, C-Mount

 

  • Fabry-Perot Laser Diode
  • 2000 nm Center Wavelength
  • Quantum Well Structure

The FPL2000CM Fabry-Perot laser is based on state-of-the-art, quantum-well epitaxial layer growth and reliable ridge waveguide structure. This FPL chip is manufactured to form an FP laser cavity tuned to emit 30 mW of CW light at 2000 nm. The FP laser cavity yields a typical spectral bandwidth of ~15 nm.

Item # Center
Wavelength
Output Power
(Typical)
Typical/Max
Drive Current
BandwidthSlope
Efficiency
Spatial Mode
FPL2000CM   2000 nm 30 mW 400 mA / 500 mA 15 nm 0.05 W/A Single Mode

 

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