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    Digital Tethered Head H-Type with Isolator

    DATASHEET

    The H-Type with Isolator is a UL/CE and IEC-certified laser diode turn-key system, perfect for lab use. Built standard with a laser enable switch, a safety key lockout, a remote interlock, and an emergency shut-off switch (EMO). USB connection and LabView customer GUI allow the user to control the device remotely.

    The Tethered Head laser offers ease of use and flexibility for different setups, allowing the user to bring the open beam laser output straight to the sample.

    λ (nm): 785
    Min. Power (mW): 90
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    Key Features

    • Wavelength Stabilized Spectrum
    • Narrow Spectral Linewidth (<100MHz FWHM)
    • High Power Single-mode Open Beam Output
    • TEM00, Single-Spatial and Single-Longitudinal Mode (SLM)
    • Circularized & Collimated Output Beam
    • Integral Laser Line Filters at 633nm, 638nm, 785nm, 808nm, and 830nm
    • >50 dB SMSR Typical
    • USB Interconnectivity
    • UL/CE and IEC Certified & Fully turnkey

    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

    Wavelegnth Tolerance

    +/- 0.5nm

    Spectral Linewidth (Δλ)

    <100 MHz

    Operating Temperature Range

    10 - 45 °C

    SMSR (no laser line filter)

    45 - 50 dB typical

    SMSR (w/laser line filter)

    >70 dB typical

    Polarization Orientation

    Perpendicular to the plane of the base mounting plate of optical head

    Polarization Extinction Ratio (PER)

    >17 dB (typical)

    Beam Quality (M², 1/e²)

    <1.5 (1.3 Typical)

    Spot Size²

    ~1.5mm with beam expander

    Divergence³

    < 1 mrad typ. with beam expander

    Output Power Stability

    <0.5% RMS

    Modulation Rate

    CW to kHz at 50% duty cycle or CW to 1kHz at 10-100% duty cycle

    Warm-Up Time

    10 sec from cold start to <1 wavenumber

    1.5 sec from warm start to <1 wavenumber

    3 sec from warm start to <0.1 wavenumber

    Applications

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

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

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