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Ultra Laser Systems
01 Feb 2010
Yes
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Ultra runs Ti:Sapphire and Yb:doped chirped pulse amplifiers capable of producing fs and/or ps pulses. Please see below for more detailed specifications.

No
 


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2 x Thales laser ALPHA 10000: 10 kHz dual synchronised Ti:Sapphire 800 nm, 40 fs and 2 ps output, providing 2 x 1 mJ pulses. Harmonics 400, 267, 200 nm.

Spectra Physics Spitfire: 1 kHz Ti:Sapphire 800 nm, 120 fs output, providing 4 mJ pulses. Harmonics 400, 266, 200 nm.

2 x Light Conversion Pharos laser (LIFEtime): 100 kHz dual synchronised Yb:doped lasers 1030 nm, ~200 fs outputs, providing 0.07 and 0.15 mJ pulses. Harmonics 515, 343, 257, 206 nm.

Coherent Legend Elite with Cryo PA: 10 kHz Ti:Sapphire 800 nm, 40 fs 2 mJ pulses driving dual optical parametric amplifiers with difference frequency mixing.

Optical Parametric Amplifiers (OPA, Light Conversion TOPAS and Orpheus) provide access to a range of tunable pump-probe configurations (190-20000 nm), allowing access to techniques such as pump-dump and transient 2D-IR (UV-vis pump, IR pump) spectroscopy. The OPAs include a short pulse Non-collinear Parametric Amplifier (NOPA, Light Conversion TOPAS-White).

Broadband probes include White Light Continuum (WLC) generation in UV near IR from 330-1600 nm and OPA Difference Frequency Generation (DFG) with > 300 cm-1 bandwidth in mid infrared from 800-4000 cm-1.​

Supplementary lasers

1-20 kHz pulsed nanosecond laser (Innolas or Wedge Laser): 1064 nm with 0.8 ns pulse. Active Q-switch with <0.5 ns jitter. Provides extended pump – probe delays from 1 ns-1 ms i.e. beyond the range of optical delay lines. Harmonic 532, 355, 266, 213 nm with several microjoules energy per pulse.

0-1 kHz pulsed nanosecond laser (Wedge): 1064 nm, 4 mJ output energy with 1 ns pulse and active Q-switch  <0.5 ns jitter.  This laser pumps a PPLN OPO to generate IR light in the 2100 to 3800 nm spectral region with >50 µJ energy per pulse.


Contact: Greetham, Greg (STFC,RAL,CLF)

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