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    Digital D-type with Isolator

    DATASHEET

    The OEM Single-Mode Digital D-Type Module offers high output power, narrow spectral bandwidth, and a diffraction-limited free space output beam. This module includes an internal thermistor and TEC, laser drive and TEC control electronics, an adjustable beam expander, and an optical isolator in a compact package. UART I/O connectivity and LabView customer GUI allow the user to control the device remotely.

    The single-mode spectrum stabilized laser offers a narrow spectral bandwidth and super wavelength stability over time, temperature, and vibration. The laser's stabilized peak wavelength remains "locked" within a wide case temperature range. Devices can be tailored to suit specific needs, providing an extremely high signal-to-noise ratio, which is ideal for Raman spectroscopy.

    *For custom orders, wavelengths can be accurately specified and repeatedly manufactured withn +/-0.1 nm upon request.*

    Choose a λ (nm)
    Choose a Min. Power (mW)
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    Key Features

    • High Power Single Frequency Output (SLM)
    • Ultra-Narrow Spectral Bandwidth
    • Circularized & Collimated Output Beam
    • Gaussian TEM00 Spatial Mode
    • Integral Laser Line Filter1
    • Optical Isolator2
    • SMSR 70 dB w/ laser line filter (40 dB without)
    • Integral Thermistor & TEC
    • Integral ESD Protection
    • Integral Linear Tracking Photodiode
    • Integrated isolator

    Custom Capabilities

    • Custom wavelengths available upon request
    • Adjustable beam expander to set beam diameter at specified distances
    • Multi-mode Achro-fiber port available
    • Optical isolator available for 633nm, 638nm, 780nm, 785nm in standard D-Type module
    • Optical isolator available for 976nm and 1064nm in larger D-Type module

    Specifications

    Wavelength Tolerance

    +/- 0.5 nm

    Spectral Linewidth FWHM

    <100MHz

    SMSR w/ Integral Laser Line Filter

    70dB

    Power Stability

    +/- 0.5% to 1% typical

    Wavelength Stability Range

    15°C to 45°C

    Power Consumption

    2W typical, 5W max

    Linear Tracking Photodiode
    (Optional, Internal TIA Output)

    1V Max

    Polarization Extinction Ratio (PER)

    >17 dB (20 dB typical)

    Polarization Orientation

    Perpendicular to the plane of base plate mounting plane. 

    Spatial Profile

    TEM00

    Beam Quality (M², 1/e²)

    <1.2

    Beam Ellipticity

    <1:5:1

    Beam Diameter

    4.0mm (+/-0.4mm) w/ beam expander

    ~0.7mm w/o beam expander

    Beam Divergence

    <1 mrad w/beam expander

    ~2 mrad w/o beam expander

    Cold Start to <1 Wavenumber

    10 Seconds

    Warm Start to <1 Wavenumber

    1 Second

    Warm Start to <0.1 Wavenumber

    3 Seconds

    Applications

    This laser package is designed for OEM Integration and is ideal for:

    • High Resolution Raman Spectroscopy
      • Handheld Raman Spectroscopy
      • Confocal Microscopy
      • Raman
      • Imaging
      • Portable Raman
      • Process Raman
    • Metrology & Interferometry
    • Remote Sensing