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Analog "L-Type" Module

The "L-Type" provides the user with a powerful and extremely stable laser source ideal for numerous scientific applications. The 532nm laser’s stabilized peak wavelength remains “locked” regardless of case temperature (15 to 45 deg. C). Devices can be spectrally tailored to suit application needs and offer side mode suppression ratios (SMSRs) better than 40 dB, thereby providing extremely high signal-to-noise ratio and making these sources ideal for Raman spectroscopy and pump laser applications. 

The DPSS laser is integrated with high performance laser drive and temperature control electronics in our L-Type package with all the safety features and turn-key operation.

Choose a λ (nm)
Choose a Min. Power (mW)
Choose a connector type

Key Features

  • High-Power Single-Spatial-Mode, Single- Frequency Output
  • Narrow Spectral Linewidth (< 100 MHz FWHM)
  • High Power Single-mode Fiber Coupled Output
  • Excellent Beam Quality (M2 < 1.1)
  • Integral ESD Protection & Thermistor
  • Temperature Stabilized Spectrum (<0.007 nm/ᵒC)
  • > 45 dB SMSR Typical
  • USB, RS232, or I2C control of alloperational features
  • UL/CE and IEC certified
  • Turnkey operation

Custom Capabilities

  • Custom wavelengths available upon request.
  • FC/PC, FC/APC, or SMA output coupler. 
  • Single-mode or Polarization-maintaining fiber available with orientation in either fast or slow axis. 
  • Integral optical isolator available. 
  • External TEC (e.g. No TEC inside of package optional)


Wavelength Tolerance

+/- 0.5 nm

Spectral Linewidth (Δλ)


Wavelength Stability Range

15°C – 45°C


45 – 55 dB

Polarization Extinction (PER)

>17 dB (20dB typical)

Polarization Orientation

Standard PM is Slow

Output Power Stability

1% typical

Modulation Rate

CW to 1KHz (for 10% power to CW) up to 10 KHz for 50%

Warm-Up Time

10 Seconds from cold start 

1.5 Seconds from warm start


  • High Resolution Raman Spectroscopy
    • Portable Raman
    • Process Raman
    • Confocal Microscopy
    • Raman Imaging
  • Direct-Diode Frequency Doubling
  • Fiber Laser Seeding
  • Remote Sensing
  • Metrology/Interferometry