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Optical Spectroscopy

Laser Spectroscopic Facilities

Optical Spectroscopy Facilities


  • Excimer lasers
  • Nd:YAG lasers
  • Ultra-fast laser systems
  • Narrow band laser systems

Applications

Nanosecond Pump/Probe Spectroscopy

10 ns time resolution
Tunable excitation wavelength: 1064 nm, 532 nm, and 266 nm, and Optical-Parametric-Oscillator-tunable wavelengths covering the range 420-850 nm.  Fast spectral acquisition.  “Stop-flow" instrumentation for flow-flash experiments

Femtosecond Laser Facilities

Ti:Sapphire laser system (oscillator/regenerative amplifier with 43 fs pulses of 1 mJ per pulse at 805 nm wavelength
Two Optical Parametric Amplifiers generating powerful laser pulses at 1 kHz repetition rate
- Wavelength tunable from 300 nm-1.9 mm.  Pulse energies up to 0.1 mJ per pulse

Femtosecond Transient Absorption Spectrometer (UV/Visible-mid NIR)

30 and 40 fs time resolution
Excitation and probe wavelengths tunable from 300-1200 nm and 1350 to 5000 cm-1
Background noise < 0.5 mOD per second of accumulation

Steady State Fluorescence Spectrometers

Interchangeable excitation light source
Transmission and reflection operation regimes
Built in Time Correlated Single Photon Counting (250 ps excitation at 377 and 440 nm)
CCD and PMT detection

Fourier-Transform Infrared Spectrometers

Transmission and reflection operation regimes
Frequency range of 100-10000 cm-1

Circular-Dichroism Optical Spectrometer

Spectral region from 180 nm-900 nm

 

School of Science and Engineering, 201 Lindy Boggs Center, New Orleans, LA 70118 504-865-5764 sse@tulane.edu