Method and apparatus for determining wave characteristics using constrained interactions of waves
Abstract
A frequency resolved optical gating (FROG) system receives an ultrafast laser pulse as the “unknown wave” input to the system. The FROG system preferably generates a spectrogram (FROG trace) of the input pulse using a polarization gate, second harmonic generation or other FROG geometry. The system or method preferably analyzes the spectrogram using constrained outer products and principal component generalized projections to find characteristics of the unknown wave such as intensity and phase. Examples of constrained outer products include outer products that incorporate an external constraint such as spectral information or an internal constraint such as a relationship between the probe and gate components derived from the unknown wave.
- Inventors:
- Issue Date:
- Research Org.:
- Mesa Photonics, LLC, Santa Fe, NM (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1568269
- Patent Number(s):
- 10274378
- Application Number:
- 15/963,285
- Assignee:
- Mesa Photonics, LLC (Santa Fe, NM)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
- DOE Contract Number:
- SC0006495; SC0011384
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 04/26/2018
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Kane, Daniel James. Method and apparatus for determining wave characteristics using constrained interactions of waves. United States: N. p., 2019.
Web.
Kane, Daniel James. Method and apparatus for determining wave characteristics using constrained interactions of waves. United States.
Kane, Daniel James. Tue .
"Method and apparatus for determining wave characteristics using constrained interactions of waves". United States. https://www.osti.gov/servlets/purl/1568269.
@article{osti_1568269,
title = {Method and apparatus for determining wave characteristics using constrained interactions of waves},
author = {Kane, Daniel James},
abstractNote = {A frequency resolved optical gating (FROG) system receives an ultrafast laser pulse as the “unknown wave” input to the system. The FROG system preferably generates a spectrogram (FROG trace) of the input pulse using a polarization gate, second harmonic generation or other FROG geometry. The system or method preferably analyzes the spectrogram using constrained outer products and principal component generalized projections to find characteristics of the unknown wave such as intensity and phase. Examples of constrained outer products include outer products that incorporate an external constraint such as spectral information or an internal constraint such as a relationship between the probe and gate components derived from the unknown wave.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 30 00:00:00 EDT 2019},
month = {Tue Apr 30 00:00:00 EDT 2019}
}
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