Radiometry

In optics, radiometry is the field that studies the measurement of electromagnetic radiation, including visible light. Note that light is also measured using the techniques of photometry, which deal with brightness as perceived by the human eye, rather than absolute power.Radiometry is important in astronomy, especially radio astronomy, and is important for Earth remote sensing. The measurement techniques categorized as radiometry in optics are called photometry in some astronomical applications, contrary to the optics usage of the term. (From the Wikpedia article Radiometry.)

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Recent Publications on Radiometry:
Possible freshwater resource consumption by the earliest directly dated European modern humans: Implications for direct radiometric dating. PURPOSE: To investigate how segmented multileaf modulation-(sMLM-)based...	5th November, 2009		Proc Natl Acad Sci U S A. 2009 Oct 13;106(41):E117; author reply E118. DOI Direct Link
Weight-based, low-dose pediatric whole-body PET/CT protocols. Adult PET/CT acquisition protocols need to be modified for pediatric...	5th November, 2009	Department of Radiology, University of Washington, Old Fisheries Center,	J Nucl Med. 2009 Oct;50(10):1570-7. DOI Direct Link
Radiometry and metrology of a phase zone plate measured by extreme ultraviolet synchrotron radiation. The diffraction efficiency, focal length, and other radiometric and...	3rd November, 2009	Naval Research Laboratory, Space Science Division, Washington, DC 20375,	Appl Opt. 2009 Nov 1;48(31):5970-7. doi: 10.1364/AO.48.005970.
Experimental setup to determine the pulse energies and radiant exposures for excimer lasers with repetition rates ranging from 100 to 1050 Hz. PURPOSE: To evaluate the feasibility of surface profiling for central...	31st October, 2009	Institute for Refractive and Ophthalmic Surgery, Swiss Federal Institute	J Cataract Refract Surg. 2009 Oct;35(10):1806-14. DOI Direct Link
The influence of different IMRT techniques on the peripheral dose: a comparison between sMLM-IMRT and helical tomotherapy. PURPOSE: To investigate how segmented multileaf modulation-(sMLM-)based...	14th October, 2009	Department of Radiotherapy, University Hospital Jena, Jena, Germany.	Strahlenther Onkol. 2009 Oct;185(10):696-702. Epub 2009 Oct 6. DOI Direct Link
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Radiometry Patents:
US Patent No.	Title
7460235	Two-detector gas filter correlation radiometry (GFCR) system using two-dimensional array detection of defocused image and detected-signal summation
7489402	Optical collection geometries for phase fluorimetry
7494231	Vehicular signal mirror
7499168	Combined modulated optical reflectance and electrical system for ultra-shallow junctions applications
7511274	Infrared radiation sources, sensors and source combinations, and methods of manufacture
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