David W Geraghty Deceased1015 Linwood Ave, Baltimore, MD 21224
David Geraghty Phones & Addresses
1015 Linwood Ave, Baltimore, MD 21224 (410) 558-1119 (410) 558-1971
San Antonio, TX
1015 S Linwood Ave, Baltimore, MD 21224 (443) 540-0677
Work
Position:
Administrative Support Occupations, Including Clerical Occupations
Education
Degree:
Associate degree or higher
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Us Patents
Apparatus For Imparting Phase Shift To Input Waveform
US Patent:
2012009, Apr 19, 2012
Filed:
Oct 14, 2009
Appl. No.:
13/124305
Inventors:
Mark Foster - Sparks Glencoe MD, US
Alexander Gaeta - Ithaca NY, US
David Geraghty - Menlo Park CA, US
Michal Lipson - Ithaca NY, US
Reza Salem - Columbia MD, US
Amy Foster - Sparks Glencoe MD, US
Alexander Gaeta - Ithaca NY, US
David Geraghty - Menlo Park CA, US
Michal Lipson - Ithaca NY, US
Reza Salem - Columbia MD, US
Amy Foster - Sparks Glencoe MD, US
Assignee:
Cornell University - Ithaca NY
International Classification:
G02F 1/365
G01J 3/00
G02B 6/12
G02F 1/39
G06F 19/00
G01J 3/00
G02B 6/12
G02F 1/39
G06F 19/00
US Classification:
702 67, 359330, 385 14, 356300
Abstract:
There is set forth in one embodiment an apparatus and method for imparting a phase shift to an input waveform for output of a converted waveform. In one embodiment, a phase shift can be provided by four wave mixing of an input waveform and a pump pulse. In one embodiment, there is set forth an apparatus and method for generating a high resolution time domain representation of an input waveform comprising: dispersing the input waveform to generate a dispersed input waveform; subjecting the dispersed input waveform to four wave mixing by combining the dispersed input waveform with a dispersed pump pulse to generate a converted waveform; and presenting the converted waveform to a detector unit. In one embodiment a detector unit can include a spectrometer (spectrum analyzer) for recording of the converted waveform and output of a record representing the input waveform.
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