LDH-I Series

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The LDH-I Series from PicoQuant are Smart Laser Heads that operate at a wavelength of 375 - 1550 nm. They have a wavelength accuracy of ± 10 nm and deliver an average power of 0.1 mW - 150 mW & 2 mW - 200 mW (CW). These linearly polarised laser heads have a peak-to-peak power stability of 3 % and rms power stability of 1%. They have a spectral width below 1 nm (CW), 2 nm - 8 nm (less than 900 nm), and 10 nm - 20 nm (above 900 nm). These laser heads have a pulse duration of 40 ps - 250 ps (at FWHM) and maximum pulse repetition rate of 50 MHz - 100 MHz. They operate in pulsed, bursts, and continuous wave operation modes.

The LDH-I Series laser heads have a beam divergence of 0.11 mrad (parallel) and 0.32 mrad (perpendicular). They have a numerical aperture of 0.55 and optical focal lengths of 4.5 mm & 9 mm. These laser heads have a polarization extinction ratio (PER) above 1:10 and side mode suppression ratio (SMSR) below 0.01. They are compatible with the Taiko PDL M1 driver and uses a Peltier cooler. These laser heads are available in a module that measures 76 × 207 mm (cylinder) and 207 × 77 × 83.7 mm (cuboid) with an optional fiber coupling. They are ideal for time-resolved measurements, life science, FLIM, FCS, STED, material science & semiconductor diagnostics, metrology & calibration, ranging, LiDAR, and seeding applications.

Product Specifications

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Product Details

  • Part Number
    LDH-I Series
  • Manufacturer
    PicoQuant
  • Description
    375 nm to 1550 nm, Lasers for Metrology & LiDAR Applications

General Parameters

  • Configuration
    Laser Head
  • Type
    Laser Module
  • Operation Mode
    CW/Pulsed Laser
  • Application
    Test & Measurement, Spectroscopy, Microscopy, Fluorescence, Diagnosis, LiDAR, Engraving, Marking, Surface Treatment
  • Power
    0.1 to 200 mW
  • Wavelength
    375 to 1550 nm
  • Ultrafast Laser
    Picosecond Lasers
  • Tunable
    No
  • Fiber Coupled
    Yes
  • Laser Color
    Near-Infrared, Infrared, Green, Blue, Ultraviolet, Red, Yellow
  • Output Power (CW)
    2 to 20 mW
  • Pulse Width
    40 to 150 ps( as short as 40 ps)
  • Spectral Width :
    2 to 8 nm@< 900 nm, 10 to 20 nm@> 900 nm, < 1 nm(CW)
  • Polarization Orientation
    Linear
  • Application Industry
    Scientific Research, Medical, Defense / Military & Aerospace, Automotive / Industrial & Manufacturing
  • Repetition Rate
    Single shot to 100 MHz
  • Beam Divergence :
    0.11 mrad (Parallel), 0.32 mrad (Perpendicular)
  • Power Stability
    1% RMS, 3 % Peak to Peak
  • Wavelength Accuracy
    ± 10 nm
  • Note
    Compatible with the Taiko PDL M1 driver

Physical Properties

  • Laser Head Dimension
    With Fiber Coupling: 76 x 207 mm(diameter x length). Without Fiber Coupling: 76 x 175 mm (diameter x length)

Technical Documents

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