Projects
Ising Optical Setup
The beam is incident on the glass-water interface at the critical angle forming an evanescent wave which penetrates the glass substrate. Particles placed on the substrate interact with the evanescent field.
Experimental Optical Setup
A Fourier-space (k-space) imaging setup used to study polariton physics through photoluminescence
A typical organic microcavity structure comprised of an organic molecular dye placed between two a. DBR mirrors and b. silver (Ag) mirrors
The Laboratory of Ultrafast Science consisting of three major femtosecond amplifier systems.
Legend - Chirp-pulse Ti:Sapphrie Ultrafast Amplifier pumping two Optical Parametric Amplifier in a pump-probe configuration
OPA generating 600nm 45fs pulses for the pump in a pump-probe non-colinear configuration.
OPA -OperA Solo 1 and 2 used as a pump and probe in transient absorption measurements
Degenerate time-resolved absorption measurements of the Nano-crystalline Si films with ultrafast 45fs UV excitation pulses at 300 nm
Pump probe setup showing the sample holder where the pump beam and probe beam incident of the sample in a non-colinear geometery
Transient absorption measurements using OPAs
Schematic energy band diagram of GaN NWs. The excitation at 320 nm generating carriers within the conduction band is depicted as a vertical dashed arrow. Relaxation mechanisms within the band gap are identified as A, B, C and D (dot arrows).
TPA measurements from 4 nm Si-NCs at different probing wavelengths.
