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by Paul McPherson (1920 - 1972) and operated as a sole proprietorship until 1967 when it was sold to the now defunct GCA Corporation. It was operated as GCA/McPherson, a division of GCA Corporation, until 1981 when it was sold to D. M. Schoeffel. It has operated under various names: McPherson -
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and features (patented) interchangeable gratings and a vacuum tight housing. This is a modern instrument and remains in constant production to fill a high demand.
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McPherson instruments are employed in universities, research laboratories, and corporate research and development groups around the world, including:
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McPherson began manufacturing spectral test instrumentation in 1952. The company's first spectral test instruments were rocket-born
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Division of SI Corporation, McPherson
Instruments, SI/McPherson, and McPherson, Inc. Currently, the company is simply called
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Additional patents (3,026,435) (3,161,769) (3,490,848) (3,433,557) for easily exchangeable optics, ultraviolet
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McPherson 4m focal length high resolution spectrometer shown over example of false color Xenon spectrum.
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in nose cone of rocket for exto-atmospheric, vacuum ultraviolet solar spectroscopy. Circa 1953.
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Today, McPherson instruments are employed in laboratory environments around the world, for
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optical system is capable of operation from about 105 nm to 10 micrometers in the
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spectral region (1 to 30 nm.) It has been modernized and is still in production.
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95:. McPherson’s spectral test instruments are based on the dispersing properties of a
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region (30 to 200 nm.) It has been modernized and is still in production.
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Many McPherson instrument and system designs have been awarded
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and remains a privately held company. It is headquartered in
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instruments and systems for measuring and characterizing
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Region (US Patent No. 3,090,863) This Auto-focusing
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McPherson soft X-ray, extreme ultraviolet flat field
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McPherson 35-foot (11 m) focal length (10.6 m)
284:System (US Patent No. 3,409,374 This criss-cross
357:National Institute of Standards and Technology
46:National Institute of Standards and Technology
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378:United States Patent and Trademark Office
44:spectrometer delivered in 1965/66 to the
467:Technology companies established in 1952
265:instrument is designed for use in the
241:instrument is designed for use in the
75:is a custom manufacturer of precision
48:. The instrument remains in use today.
353:Massachusetts Institute of Technology
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482:1952 establishments in Massachusetts
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472:Companies based in Massachusetts
258:(US Patent No. 3,211,049) This
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83:. McPherson instruments measure
122:applications include research,
477:Instrument-making corporations
395:US Patent and Trademark Office
349:Los Alamos National Laboratory
313:Brookhaven National Laboratory
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329:Food and Drug Administration
201:The Company was founded as
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390:McPherson Official Website
335:(USA), Hasylab (Germany),
91:in various regions of the
226:. Some of these include:
212:Chelmsford, Massachusetts
106:McPherson specializes in
374:Acton Beacon, April 1972
116:spectroscopic techniques
93:electromagnetic spectrum
233:Adapted for use in the
175:spectroscopic analysis
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452:Scientific instrument
422:Infrared spectroscopy
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412:Laboratory equipment
341:Joint European Torus
321:Daresbury Laboratory
325:Ecole Polytechnique
271:extreme ultraviolet
243:extreme ultraviolet
97:diffraction grating
447:Optical instrument
417:Raman spectroscopy
247:vacuum ultraviolet
187:vacuum ultraviolet
164:vacuum ultraviolet
160:Earth’s atmosphere
99:and/or refractive
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442:Spectrophotometry
309:Aarhus University
260:grazing incidence
197:Company ownership
158:used outside the
114:optical systems,
58:grazing incidence
42:grazing incidence
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333:General Electric
239:Normal Incidence
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305:3M Corporation
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128:semiconductors
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427:Spectrometer
407:Spectroscopy
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359:(USA), etc.
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20:Company logo
311:(Denmark),
253:Ultraviolet
235:Ultraviolet
112:ultraviolet
461:Categories
363:References
282:Dispersion
267:soft X-ray
224:US patents
191:soft X-ray
28:McPherson
347:(Korea),
280:Spectral
208:McPherson
193:regions.
140:aerospace
124:metrology
89:frequency
85:intensity
73:McPherson
401:See also
369:Industry
290:infrared
276:Optical
179:infrared
355:(USA),
351:(USA),
339:(USA),
331:(USA),
319:(USA),
317:Caltech
315:(USA),
307:(USA),
278:Grating
218:Patents
183:visible
177:in the
150:History
144:defense
81:spectra
77:optical
437:Optics
343:(UK),
323:(UK),
189:, and
142:, and
108:vacuum
345:KAIST
214:USA.
101:prism
269:and
245:and
87:vs.
337:IBM
120:OEM
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