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Optical Characterization Facility (OCF)

Optical Characterization Facility (OCF) is a joint spectroscopic laboratory founded by UCSB Department of Chemistry and Biochemistry and Center for Polymer and Organic Solids (CPOS). The OCF's mission is to make advanced optical spectroscopy techniques available to research groups and provide students and postdoctoral fellows with hands-on experience in modern optical spectroscopy. OCF operations are supported by full-time staff member with advanced degree in optical spectroscopy. OCF coordinator assists users in design and assembly of experimental setups, and analysis of the experimental data.

Instruments

  1. Acton SpectraPro 300i Spectrometer »
    Campus Gov't/Academic Industry

    Versatile, highly automated general purpose spectrometer

  2. Acton SpectraPro 500 Spectrometer »
    Campus Gov't/Academic Industry

    Versatile, highly automated general purpose spectrometer. Good choice for simple Raman and fluorescence spectroscopy experiments.

  3. Janis Research Inc. VPF-100 LN2 Cryostat »
    Campus Gov't/Academic Industry

    Cold finger liquid nitrogen cryostat for optical measurements with PID temperature controller.

  4. New Focus 5203 Optical Chopper »
    Campus Gov't/Academic Industry

    Mechanical modulator for the laser beams. It is mostly used in the phase sensitive detection.

  5. Newport ILS-200 Translation Stage »
    Campus Gov't/Academic Industry

    High-precision computer controlled linear translation stage.

  6. Non-Linear Crystal (Tsunami, Spitfire) »
    Campus Gov't/Academic Industry

    Using second harmonic generation in BBO crystals, output of the femtosecond lasers can be converted from IR to UV:

  7. Ocean Optics Portable Spectrometer USB2000 »
    Campus Gov't/Academic Industry

    Palm-size portable spectrometer with USB computer interface for real-time spectral analysis.

  8. Optical Power Meter »
    Campus Gov't/Academic Industry

    General purpose optical power meter with thermoelectric sensor.

    • Range of measurements 10 mW - 10 W
  9. Photomultiplier Tube »
    Campus Gov't/Academic Industry

    High sensitivity/low noise analog PMT for measurements of the low intensity light

  10. Single Shot Pulse Autocorrelator »
    Campus Gov't/Academic Industry

    Home-built instrument for measurements of the shape of femtosecond pulses

    • Temporal resolution ~10 fs
  11. Spectraphysics Beamlock 2060 Laser »
    Campus Gov't/Academic Industry

    Ar-ion CW laser

  12. Spectraphysics Evolution-X Laser »
    Campus Gov't/Academic Industry

    Diode pumped all-solid state pulsed YAG:Nd laser

  13. Spectraphysics Milenia-V Laser »
    Campus Gov't/Academic Industry

    Specifications 

    Diode pumped all-solid state continuous wave YAG:Nd laser

  14. Spectraphysics Spitfire Laser »
    Campus Gov't/Academic Industry

    Specifications 

    Chirped pulse Ti:Sapphire amplifier

  15. Spectraphysics Tsunami Laser »
    Campus Gov't/Academic Industry
    Specifications
     
    Broadband tunable femtosecond Ti:Sapphire laser
    • Output wavelength 690-960 nm
    • Pulsewidth = 60 fs
  16. Stanford Research Systems SR570 Current Preamplifier »
    Campus Gov't/Academic Industry

    Low-noise current preamplifier for photodetectors (PMT, photodiodes) with variable sensitivity, bandwidth, and input bias current.

  17. Stanford Research Systems SR830 DSP Lock-in Amplifier »
    Campus Gov't/Academic Industry

    Digital Signal Processor (DSP) based lock-in amplifier for the phase-sensitive signal detection. Ensures outstanding signal/noise ratio in measurements of low-level signals.

  18. Tungsten Lamp »
    Campus Gov't/Academic Industry

    Near black body emission spectrum (color temperature 3100 K)