Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Time-lens photon Doppler velocimetry (TL-PDV)

Journal Article · · Review of Scientific Instruments
DOI:https://doi.org/10.1063/5.0043079· OSTI ID:1804426

Here, we describe a time lens (TL) to expand the dynamic range of photon Doppler velocimetry (PDV) systems. The principle and preliminary design of a TL-PDV system are explained and shown to be feasible through simulations. In a PDV system, an interferometer is used for measuring frequency shifts due to the Doppler effect from the target motion. However, the sampling rate of the electronics could limit the velocity range of a PDV system. A four-wave-mixing (FWM) TL applies a quadratic temporal phase to an optical signal within a nonlinear FWM medium (such as an integrated photonic waveguide or a highly nonlinear optical fiber). By spectrally isolating the mixing product, termed the idler, and with appropriate lengths of dispersion prior to and after this FWM TL, a temporally magnified version of the input signal is generated. Therefore, the frequency shifts of PDV can be “slowed down” with the magnification factor M of the TL. M = 1 corresponds to a regular PDV system without a TL. M = 10 has been shown to be feasible for a TL-PDV system. The use of this effect for PDV can expand the velocity measurement range and allow for the use of lower bandwidth electronics. TL-PDV will open up new avenues for various dynamic material experiments.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOD
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1804426
Alternate ID(s):
OSTI ID: 1773917
Report Number(s):
LA-UR--21-20039
Journal Information:
Review of Scientific Instruments, Journal Name: Review of Scientific Instruments Journal Issue: 4 Vol. 92; ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

References (19)

Time‐to‐frequency converter for measuring picosecond optical pulses journal January 1994
Velocimetry of fast surfaces using Fabry–Perot interferometry journal January 1988
Laser interferometer for measuring high velocities of any reflecting surface journal November 1972
Compact system for high-speed velocimetry using heterodyne techniques journal August 2006
Correlated-intensity velocimeter for arbitrary reflector for laser-produced plasma experiments journal October 2006
Accuracy and precision in photonic Doppler velocimetry journal May 2010
Active pulse compression using an integrated electro‐optic phase modulator journal April 1988
Extreme measurements with Photonic Doppler Velocimetry (PDV) journal May 2020
The Doppler effect from a uniformly moving mirror journal May 2005
New developments in photon Doppler velocimetry journal May 2014
Space-time duality and the theory of temporal imaging journal January 1994
Spectro-temporal imaging of femtosecond events journal July 2000
Einstein's Mirror journal October 2008
The Doppler Effect from Moving Mirrors journal January 1940
High-speed optical sampling using a silicon-chip temporal magnifier journal January 2009
Frequency conversion over two-thirds of an octave in silicon nanowaveguides journal January 2010
Time-stretched photonic Doppler velocimetry journal January 2019
Temporal imaging with a time lens journal January 1989
Optical time lens based on four-wave mixing on a silicon chip journal January 2008

Similar Records

Technology and times scales in Photonic Doppler Velocimetry (PDV)
Journal Article · Mon Mar 04 23:00:00 EST 2024 · Measurement Science and Technology · OSTI ID:2372958

Modeling and Design of a Sub-Nyquist PDV Digitization System
Technical Report · Mon Nov 24 19:00:00 EST 2025 · OSTI ID:3005583