In this Letter, a modification of the well-known focused-laser differential interferometer (FLDI)
is demonstrated, with the primary focus being increasing the number of probed locations …

View Video Presentation: https://doi. org/10.2514/6.2021-0599. vid In this work, the
capabilities of the traditional focused-laser differential interferometry (FLDI) technique are …

View Video Presentation: https://doi. org/10.2514/6.2022-0560. vid A novel compact,
inherently self-aligned focusing schlieren system is presented for use in experiments that …

View Video Presentation: https://doi. org/10.2514/6.2022-0734. vid In this paper, a Q-FLDI
system was constructed to correlate disturbances inside and outside of the boundary layer …

View Video Presentation: https://doi. org/10.2514/6.2021-0598. vid Experiments were
performed with two different focused laser differential interferometer (FLDI) instruments to …

The ablation of thermal protection systems in hypersonic vehicles would generate randomly
distributed surface roughness, which prominently influences laminar-turbulent boundary …

A colinear focused laser differential interferometer (FLDI) and self-aligned focusing schlieren
(SAFS) system has been assembled and tested in the laboratory, using a turbulent jet of …

An instrument is demonstrated that is capable of simultaneous and independent flow density
fluctuation measurements over the same line-of-sight by combining two optical techniques …

The second-mode instability on a 7° half-angle sharp cone at Mach 6 is analyzed using high-
speed calibrated schlieren imagery at a frame rate near the expected fundamental …

View Video Presentation: https://doi. org/10.2514/6.2021-2907. vid In this paper, we re-
derive some known transfer functions to reduce FLDI data. We derive additional transfer …