Photonics Science and Engineering

Center for Lasers and Photonics, IIT Kanpur

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Pulsed Laser Facility

  1. Pulsed Nd: YAG Laser (Quanta Ray Pro-Series)
    The Quanta-Ray Pro-Series pulsed Nd: YAG laser comprises a laser head with Beam Lock and power supply. Control is provided via windows-based software or an optical table top analog controller. This laser offers a variety of pulse frequency and wavelength options.
    Specifications:
    Laser wavelengths: 1064 nm and 532 nm; Rep rate: 10 Hz; Pulse width: 10 nsec; Energy (@1064nm): 325 mJ/pulse; Energy (@532nm): 120 mJ/pulse; Beam diameter: < 10mm;
    Activities: Optical waveguide characterization (Departmental)
    Optofluidic dye laser characterization (Departmental)
    Synthesis of carbon nano-tubes (External)
  2. Pulsed Nd: YAG Laser (Quanta Ray INDI)
    Quanta-Ray INDI series laser is designed for users who do not require a high end pulsed Nd: YAG laser.  The system comprises following components:
    • Laser head
    • Power supply unit
    • Table top controller
    • CIM-INDI computer interface
    • Push button switch option for single shot operation

    Specifications: Model: INDI 40; Rep-rate: 10 Hz; Energy (@1064nm): 450 mJ; Energy (@532nm): 200 mJ
    Energy (@355 nm): 100 mJ; Energy (@266nm): 55 mJ; Pulse Width: 5-8 nsec; Divergence: 0.5 mrad;
    Beam Diameter: <10mm; Energy stability: 2%;

  3. Mode-locked Nd: YAG laser (QUANTEL YG900)
    The QUANTEL YG 980 series combines an Nd: YAG oscillator with up to two amplifiers, and features up to 2.5 J of pulse energy, excellent beam quality and high stability.

    Specifications:
    Temperature stabilized bench, Fast photodiode for pulse visualization, Automatic harmonic selection Linewidth: 0.003 cm-1 with SLM option, Temperature controlled harmonic generators with motorized tuning provide the user wavelength modularity. Narrow linewidth options, including Single Longitudinal Mode (SLM) operation, as well as higher repetition rates are available to meet application requirements.
    Principal radiations: 1064nm, 532 nm, and 355 nm
    Max Energy per pulse: 420mJ (1064nm); 80mJ (532nm); 30mJ (355nm)
    Pulse width: 35 psec

  4. Laser ablation chamber with turbo molecular vacuum pump

    Specifications:
    Laser ablation chamber:
    Material: SS 304, ID: 350mm
    Height: 300mm; thickness: 3mm;
    No of ports available suitable for many experiments

    Turbo Pump:

    Make: Pfeiffer Vacuum GMBH Turbo Cube Model 521
    Connection dia: DN160 CF-F; Pumping speed for N2: 5000lps;
    Backing Pump: DUO 5 (Pumping speed: 5 m3/h);
    Splinter ShieldDN 160;
    Compact Full Range Gauge model PKR251