Resonant Holographic Interferometry, An Innovative Technique for Combustion Diagnostics

During this program MetroLaser pioneered the development of Resonant Holographic Interferometry (RH'); a holographic technique capable of recording the concentration of a target species in complex flame environments. Some of the attributes that make RH' attractive to the combustion communi...

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Bibliographische Detailangaben
Hauptverfasser:	DeBarber, Peter A, Brock, Neal J
Format:	Report
Sprache:	eng
Schlagworte:	COMBUSTION Combustion and Ignition ENERGY CONVERSION EQUATIONS OF STATE GROUND STATE HOLOGRAPHY INFRARED SPECTRA INTERFEROMETRY METHANE NEAR INFRARED RADIATION NONLINEAR OPTICS OPTICAL INTERFEROMETERS OPTICAL MATERIALS Optics PHOTOREFRACTION QUENCHING RECORDING SYSTEMS RESONANCE RESONANT FREQUENCY SENSITIVITY SYNCHRONISM ULTRAVIOLET SPECTRA VISIBLE SPECTRA
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Beschreibung
Zusammenfassung:	During this program MetroLaser pioneered the development of Resonant Holographic Interferometry (RH'); a holographic technique capable of recording the concentration of a target species in complex flame environments. Some of the attributes that make RH' attractive to the combustion community are: (1) Operates on ground state transitions (insensitive to quenching); (2) Simultaneous imaging of gaseous species and solid or liquid object; and (3) Background free signals. The program targeted the concentration measurement of species with resonant transitions in the visible (Na), ultraviolet (OH), and near infrared (K) spectral regions. This broad operating range required the development of auxiliary technologies such as real-time holographic recording and reconstruction using nonlinear optical materials. (MM)