Fig. 1. Broadband deep-UV laser source.

In our laboratory, there are several ultrafast spectroscopy techniques that are routinely used/developed to study carrier dynamics in molecular systems and solid-state nanomaterials, and there is a great opportunity to gain hands-on experience in using them and developing new methods. All of them are powered by laser sources that generate ultrashort optical pulses at high repetition rates.

1. “Pharos” laser system provides 1027-nm 170-fs laser pulses at repetition rates of up to 600 kHz
2. Tunable noncollinear optical parametric amplifier (NOPA) from Light Conversion provides 9-18 fs pulses with tunable central wavelength (470-950 nm) at repetition rates of up to 200 kHz.
3. Lab-built NOPA provides 9-18 fs pulses with tunable central wavelength (470-950 nm) at repetition rates of up to 200 kHz.
4. Broadband deep ultraviolet (UV) laser source provides 10 fs pulses with tunable wavelength (250-320 nm) at high repetition rates of up to 200 kHZ (Fig.1) [1].

Reference

[1] Lukas Bruder, Lukas Wittenbecher, Pavel V. Kolesnichenko, and Donatas Zigmantas, “Efficient and robust sub-10-fs deep ultraviolet pulse generation at high repetition rate”. (submitted).