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DL 100

Economic tunable diode laser

  • Economic, tunable cw diode laser
  • Widest wavelength selection: 370 nm .. 1770 nm
  • Output powers up to 300 mW
  • Modular design with hands-on set-up

TOPTICA’s DL 100 is a well-established and economic laser source for spectroscopy and many other scientific applications. It is an open system that can be changed and maintained by the experienced user. The DL 100’s specifications depend strongly on the implemented laser diode and are given in TOPTICA’s laser diode stock lists.

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  • DL100
  • DL pro & DL100
  • DL100
  • Specifications
    Center wavelengths370 .. 517 nm*, 632 .. 1770 nm*
    Typical power range3 .. 300 mW
    Typical coarse tuning range2 .. 100 nm
    Typical mode-hop free tuning range20 GHz
    Typical linewidth (5 µs integration time)100 kHz .. 1 MHz
    Typical output beam characteristics3 mm x 1 mm
    Typical output beam polarizationLinear > 100:1
    Fiber coupling efficiency**: min. (typ.)55 (65) %
    Fiber coupling efficiency with APP**: min. (typ.)65 (75) %
    Typical long term frequency change with room temperature400 MHz / K
    Dimensions laser head79.4 x 80 x 228 mm³
    Weight laser head2.3 kg
    Dimensions control unit (H xW x D)150 x 465 x 385 mm³
    Weight control unit11 kg
    Power supply100 .. 120 V / 220 .. 240 V AC, 50 .. 60 Hz (auto detect)
    Power consumption< 100 W
    PC InterfaceAnalog control
    Environment temperature 15 - 30 °C (operation), 0-40 °C (transport)
    Environment humidity

    Non condensing

    *Spectral coverage with gaps
    **With TOPTICA's FiberDock, efficiencies are possibly lower with strong ellipticity or short wavelengths

  • Options
    DL-ModThe PCB includes a FET and a Bias-T. The FET is DC coupled with an electrical bandwidth (-3 dB) of 20 MHz. The Bias-T is AC-coupled with an electrical bandwidth of > 300 MHz. The optical modulation bandwidths are generally lower and depend on the properties of the diode
    Optical Isolation Single Stage
    		Isolators are used to protect the laser diode from back reflections. This not only prevents damage to the diode but also ensures untroubled single-mode operation and tuning. Fiber coupling with angle polished fibers (both ends) requires at least a single stage isolator.
    Optical Isolation Double Stage
    		Double stage isolators are needed if reflections from the experiment into the laser are expected. Fiber coupling with non-angle polished fibers also requires a double stage isolator.
    APP C
    		The compact prism pair is used for beam compression only. The compressed circular beam is small enough for using inexpensive small aperture isolators, and the fiber coupling efficiency is enhanced by approximately 10 %. The compression ratio is set at the factory. The variable APP J is available for beam compression and expansion.
    FiberDock
    		TOPTICA's patented fiber coupler provides highest single-mode fiber coupling efficiencies, easy alignment and at the same time highest stability. TOPTICA additionally offers a wide range of single-mode and polarization maintaining fibers, including fiber-optic beam splitters. Optical isolation is mandatory for fiber coupled diode laser systems.
    Electronics ModulesA large range of control, stabilization and frequency locking modules are available.

     

     

    Standard configurations

    ConfigurationElementsAvailable wavelengths
    I
    • Laser head, electronics
    • Modulation PCB DL-Mod
    		Given by available laser diodes (see www.laser-diodes.com)
    II
    • Laser head, electronics
    • Isolator 30 dB
    • Modulation PCB DL-Mod
    • FiberDock (optional)
    		630 .. 935, 1260 .. 1395, 1490 .. 1610 nm
    III

    • Laser head, electronics
    • APP compact, compressing
    • Isolator 30 dB
    • Modulation PCB DL-Mod
    • FiberDock (optional)
    		390 .. 420, 630 .. 1180, 1260 .. 1395, 1490 .. 1600 nm
    IV
    • Laser head, electronics
    • Isolator 60 dB
    • Modulation PCB DL-Mod
    • FiberDock (optional)
    		650 .. 900, 1060 .. 1090, 1285 .. 1335, 1515 .. 1585 nm

     

     

     

  • Applications
  • Downloads
  • Literature
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