The Microscopy Lab experimental capabilities rely on MHz repetition rate Ti:Sa oscillators (4 MHz and 80 MHz). They are used to generate a wide variety of wavelengths in the Far-Infrared/Terahertz (3mm-16 µm), the Visible/Near-Infrared (690-1400nm) and in the UV (400nm, 266nm and 200nm). In addition, we have incorporated and developed tools for pulse compression and shaping to generate sub-10 fs pulses. These capabilities allow us to perform high signal-to-noise pump-probe , ultrabroadband THz Time-Domain Spectroscopy , Time-Resolved Photoemission Electron Microscopy  (which gives the lab its name; see LEEM/PEEM section for more details) and to study optical nonlinearities in 2D materials .
- J. Madeo et al., Opt. Lett 40 (14), 3388-3391 (2015).
- P. J. Hale et al., Opt. Express 22 (21), 26358-26364 (2014).
- M. K. L. Man et al., Nat. Nanotechnol. 12, 36 (2017).
- S. Deckoff-Jones et al., Sci. Rep. 6, 22620 (2016).
- Laser sources:
- Femtolasers Femtosource XL 650 (800 nm, 4 MHz, 650 nJ, 45 fs)
- Spectra Physics MaiTai HP (690-1020 nm, 80 MHz, 30 nJ, 100 fs)
- Nonlinear wavelength conversion:
- Femtolasers Europa 4 MHz optical parametric amplifier (1100-1400 nm)
- Homebuilt fourth harmonic generation (400nm, 266nm, 200 nm)
- Homebuilt ultrabroadband THz generation (1mm-16 µm)
- Pulse shaping and compression:
- Femtolasers XS fiber-based compressor
- Biophotonics Solutions MIIPSbox640, phase, amplitude and polarization pulse shaper
- Experimental setups:
- THz-time domain spectroscopy
- Pump-probe spectroscopy
- Optical pump- THz probe
- Time-resolved photoemission electron microscopy
The Microscopy Lab was the first lab established by the Femtosecond Spectroscopy Unit, and thus the first ultrafast lab at OIST. Built in a record time of three months from the day the Unit was established, we first setup shop in a temporary location in Lab 1 in January 2012, while Lab 2 was mere scaffolding. It has since moved to its permanent location in Lab 2 in February 2014.
Check out the time lapse videos below to see this history!
High energy laser installation in the temporary location in Lab 1
Moving the microscopy lab to its permanent location in Lab 2
Page last updated on September 03, 2017 (JM/CP).