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			{{Short description\|Indian physicist}}
	{{Use dmy dates\|date=July 2017}}		{{Use dmy dates\|date=July 2017}}
	{{Use Indian English\|date=July 2017}}		{{Use Indian English\|date=July 2017}}
			{{Indian name\|Pancharatnam\|Shivaramakrishnan}}
	{{Infobox scientist		{{Infobox scientist
	\|name = Shivaramakrishnan Pancharatnam		\|name = Shivaramakrishnan Pancharatnam
	\|birth_date = {{birth date\|1934\|02\|09\|df=y}}<ref name=series>{{cite journal\|last=Series\|first=George W.\|title=Foreword: S. Pancharatnam\|journal=Current Science\|date=August 1994\|volume=67\|issue=4\|url=http://cs-test.ias.ac.in/cs/Downloads/article_29243.pdf\|accessdate=16 February 2012}}{{dead link\|date=April 2018 \|bot=InternetArchiveBot \|fix-attempted=yes }}</ref>		\|birth_date = {{birth date\|1934\|02\|09\|df=y}}
	\|birth_place = [[Calcutta]], [[India]]		\|birth_place = [[Calcutta]], [[India]]
	\|death_date = {{death date and age\|1969\|05\|28\|1934\|02\|09\|df=y}}<ref name=series />		\|death_date = {{death date and age\|1969\|05\|28\|1934\|02\|09\|df=y}}<ref name=series />
	\|death_place = [[Oxford]], [[England]]		\|death_place = [[Oxford]], [[England]]
			\|image = LowRes 120dpi 150x205 picture of Indian physicist S. Pancharatnam.png
	\|residence =		\|residence =
	\|citizenship =		\|citizenship =
	\|nationality =		\|nationality =
	\|ethnicity =		\|ethnicity =
	\|fields = [[~~Physicist~~]]		\|fields = [[Quantum optics]], [[optics]]
	\|workplaces = [[University of Mysore]]<br />[[Oxford University]]		\|workplaces = [[University of Mysore]]<br />[[Oxford University]]
	\|alma_mater = [[Nagpur University]]<br />[[Raman Research Institute]]<ref name=series />		\|alma_mater = [[Nagpur University]]<br />[[Raman Research Institute]]<ref name=series />
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	\|doctoral_students =		\|doctoral_students =
	\|notable_students =		\|notable_students =
			\|father = {{ill\|Sivaramakrishnan (Indian Accounts Service)\|lt=Sivaramakrishnan\|qid=Q125516718\|short=1}}
			\|mother = {{ill\|Sitalaxmi (Chandrasekhar family)\|lt=Sitalaxmi\|qid=Q124416098\|short=1}}
			\|relatives = {{ubl\|[[C.V. Raman]] (uncle)\|[[S. Ramaseshan]] (brother)\|[[Sivaramakrishna Chandrasekhar]] (brother)}}
	\|known_for = [[Geometric phase]]		\|known_for = [[Geometric phase]]
	\|author_abbrev_bot =		\|author_abbrev_bot =
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	\|footnotes =		\|footnotes =
	}}		}}
	'''Shivaramakrishnan Pancharatnam''' (~~1934–1969~~) was an Indian physicist who did significant work in the field of optics. He is noted for his discovery of a type of [[geometric phase]] sometimes known as [[Geometric phase\|Pancharatnam phase]] for polarized beams passing through crystals.<ref>{{cite journal \|last1=Anandan \|first1=Jeeva \|last2=Christian \|first2=Joy \|year=1997 \|title=Resource Letter GPP-1: Geometric Phases in Physics \|journal=American Journal of Physics \|volume=65 \|issue=3 \|pages=180–185 \|doi= 10.1119/1.18570\|arxiv = quant-ph/9702011 \|bibcode = 1997AmJPh..65..180A }}</ref> He was born in [[Calcutta]] in [[West Bengal]], [[India]] in 1934.<ref name=series /> He was elected a Fellow of the [[Indian Academy of Sciences]] at the early age of 25. He was a reader at the Department of studies in Physics, [[University of Mysore]] from 1961-1964.<ref>{{Cite web \|url=http://uomphysics.net/faculty/former-fac.php \|title=Archived copy \|access-date=23 April 2015 \|archive-url=https://web.archive.org/web/20150225003137/http://uomphysics.net/faculty/former-fac.php \|archive-date=25 February 2015 \|url-status=dead \|df=dmy-all }}</ref> From 1964 until his death in 1969 at the age of 35 he was a Research Fellow of [[St Catherine's College, Oxford]], working in association with [[George William Series]]. His publications for this period were mainly concerned with the theory of effects found in experiments on [[optical pumping]], e.g. double refraction in a gas due to spin alignment. Professor Series has written an introduction to the life and work of Pancharatnam. He also prepared, for the [[Proceedings of the Royal Society]], the last three papers from notes left by Pancharatnam.<ref>{{Cite journal \|doi = 10.1088/0031-8949/1997/T70/E02\|title = George W Series Memorial Essays \|journal = Physica Scripta\|volume=1997 \|issue=T70 \|pages = 5\|year = 1997\|last1 = Dodd\|first1 = J. N.\|doi-access = ~~free~~}}</ref>		'''Shivaramakrishnan Pancharatnam''' (9 February 1934 – 28 May 1969) was an Indian physicist who did significant work in the field of optics. He is noted for his discovery of a type of [[geometric phase]] sometimes known as [[Geometric phase\|Pancharatnam phase]] for polarized beams passing through crystals.<ref>{{cite journal \|last1=Anandan \|first1=Jeeva \|last2=Christian \|first2=Joy \|year=1997 \|title=Resource Letter GPP-1: Geometric Phases in Physics \|journal=American Journal of Physics \|volume=65 \|issue=3 \|pages=180–185 \|doi= 10.1119/1.18570\|arxiv = quant-ph/9702011 \|bibcode = 1997AmJPh..65..180A \|s2cid=119080820 }}</ref>

	In 1956, Pancharatnam was studying [[Interference (wave propagation)\|interference]] figures produced by light waves in [[crystal]] plates, under his advisor [[C. V. Raman]], when he discovered the properties of what is now known as the [[geometric phase]], and which predated [[Michael Berry (physicist)\|Michael Berry]]'s work on the topic from 1983.<ref name=berry>{{cite journal\|~~last~~=Berry\|~~first~~=Michael\|title=Pancharatnam, virtuoso of the Poincaré sphere\|journal=Current Science\|~~year~~=1994\|volume=67\|issue=4\|~~url~~=~~http://www.currentscience.ac.in/Downloads/article_id_067_04_0220_0223_0.pdf~~}}</ref>		==Biography==
			He was born in [[Calcutta]] in [[West Bengal]], [[India]] in 1934.<ref name=series>{{cite journal \|title=Foreword \|journal=Current Science \|date=1994 \|volume=67 \|issue=4 \|pages=219 \|jstor=24095725 }}</ref> His mother, {{ill\|Sitalaxmi\|qid=Q124416098\|short=1}}, was [[C.V. Raman]]'s sister, and his father {{ill\|Sivaramakrishnan (Indian Accounts Service)\|lt=Sivaramakrishnan\|qid=Q125516718\|short=1}} worked in the Indian Accounts Service.<ref>{{cite Q\|Q125516639}}</ref><ref>{{cite Q\|Q125503928}}</ref> He was elected a Fellow of the [[Indian Academy of Sciences]] at the early age of 25. He was a reader at the Department of studies in Physics, [[University of Mysore]] from 1961–1964.<ref>{{Cite web \|url=http://uomphysics.net/faculty/former-fac.php \|title=Former Faculty \|access-date=23 April 2015 \|archive-url=https://web.archive.org/web/20150225003137/http://uomphysics.net/faculty/former-fac.php \|archive-date=25 February 2015 \|url-status=dead \|df=dmy-all }}</ref> From 1964 until his death in 1969 at the age of 35 he was a Research Fellow of [[St Catherine's College, Oxford]], working in association with [[George William Series]]. His publications for this period were mainly concerned with the theory of effects found in experiments on [[optical pumping]], e.g. double refraction in a gas due to spin alignment. Professor Series has written an introduction to the life and work of Pancharatnam. He also prepared, for the [[Proceedings of the Royal Society]], the last three papers from notes left by Pancharatnam.<ref>{{Cite journal \|doi = 10.1088/0031-8949/1997/T70/E02\|title = George W Series Memorial Essays \|journal = Physica Scripta\|volume=1997 \|issue=T70 \|pages = 5\|year = 1997\|last1 = Dodd\|first1 = J. N.\|doi-access = free}}</ref>

			In 1956, Pancharatnam was studying [[Interference (wave propagation)\|interference]] figures produced by light waves in [[crystal]] plates, under his advisor [[C. V. Raman]], when he discovered the properties of what is now known as the [[geometric phase]], and which predated [[Michael Berry (physicist)\|Michael Berry]]'s work on the topic from 1983.<ref name=berry>{{cite journal \|last1=Berry \|first1=Michael \|title=Pancharatnam, virtuoso of the Poincaré sphere: an appreciation \|journal=Current Science \|date=1994 \|volume=67 \|issue=4 \|pages=220–223 \|jstor=24095727 }}</ref>

	==References==		==References==
	~~<references/>~~		{{reflist}}

			==External links==
			* {{JSTOR\|i24092525}} Current Science Vol. 67, No. 4, 25 August 1994 Pancharatnam memorial issue

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	[[Category:20th-century Indian physicists]]		[[Category:20th-century Indian physicists]]
	[[Category:Fellows of the Indian Academy of Sciences]]		[[Category:Fellows of the Indian Academy of Sciences]]
	[[Category:University of Mysore ~~faculty~~]]		[[Category:Academic staff of the University of Mysore]]
	[[Category:Scientists from Kolkata]]		[[Category:Scientists from Kolkata]]
	[[Category:Indian optical physicists]]		[[Category:Indian optical physicists]]

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{{Use dmy dates|date=July 2017}}
{{Use Indian English|date=July 2017}}
{{Infobox scientist
|name = Shivaramakrishnan Pancharatnam
|birth_date = {{birth date|1934|02|09|df=y}}<ref name=series>{{cite journal|last=Series|first=George W.|title=Foreword: S. Pancharatnam|journal=Current Science|date=August 1994|volume=67|issue=4|url=http://cs-test.ias.ac.in/cs/Downloads/article_29243.pdf|accessdate=16 February 2012}}{{dead link|date=April 2018 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>
|birth_place = [[Calcutta]], [[India]]
|death_date = {{death date and age|1969|05|28|1934|02|09|df=y}}<ref name=series />
|death_place = [[Oxford]], [[England]]
|residence =
|citizenship =
|nationality =
|ethnicity =
|fields = [[Physicist]]
|workplaces = [[University of Mysore]]<br />[[Oxford University]]
|alma_mater = [[Nagpur University]]<br />[[Raman Research Institute]]<ref name=series />
|doctoral_advisor = [[C. V. Raman]]
|academic_advisors =
|doctoral_students =
|notable_students =
|known_for = [[Geometric phase]]
|author_abbrev_bot =
|author_abbrev_zoo =
|influences =
|influenced =
|awards =
|religion =
|signature =
|footnotes =
}}
'''Shivaramakrishnan Pancharatnam''' (1934–1969) was an Indian physicist who did significant work in the field of optics. He is noted for his discovery of a type of [[geometric phase]] sometimes known as [[Geometric phase|Pancharatnam phase]] for polarized beams passing through crystals.<ref>{{cite journal |last1=Anandan |first1=Jeeva |last2=Christian |first2=Joy |year=1997 |title=Resource Letter GPP-1: Geometric Phases in Physics |journal=American Journal of Physics |volume=65 |issue=3 |pages=180–185 |doi= 10.1119/1.18570|arxiv = quant-ph/9702011 |bibcode = 1997AmJPh..65..180A }}</ref> He was born in [[Calcutta]] in [[West Bengal]], [[India]] in 1934.<ref name=series /> He was elected a Fellow of the [[Indian Academy of Sciences]] at the early age of 25. He was a reader at the Department of studies in Physics, [[University of Mysore]] from 1961-1964.<ref>{{Cite web |url=http://uomphysics.net/faculty/former-fac.php |title=Archived copy |access-date=23 April 2015 |archive-url=https://web.archive.org/web/20150225003137/http://uomphysics.net/faculty/former-fac.php |archive-date=25 February 2015 |url-status=dead |df=dmy-all }}</ref> From 1964 until his death in 1969 at the age of 35 he was a Research Fellow of [[St Catherine's College, Oxford]], working in association with [[George William Series]]. His publications for this period were mainly concerned with the theory of effects found in experiments on [[optical pumping]], e.g. double refraction in a gas due to spin alignment. Professor Series has written an introduction to the life and work of Pancharatnam. He also prepared, for the [[Proceedings of the Royal Society]], the last three papers from notes left by Pancharatnam.<ref>{{Cite journal |doi = 10.1088/0031-8949/1997/T70/E02|title = George W Series Memorial Essays |journal = Physica Scripta|volume=1997 |issue=T70 |pages = 5|year = 1997|last1 = Dodd|first1 = J. N.|doi-access = free}}</ref>

In 1956, Pancharatnam was studying [[Interference (wave propagation)|interference]] figures produced by light waves in [[crystal]] plates, under his advisor [[C. V. Raman]], when he discovered the properties of what is now known as the [[geometric phase]], and which predated [[Michael Berry (physicist)|Michael Berry]]'s work on the topic from 1983.<ref name=berry>{{cite journal|last=Berry|first=Michael|title=Pancharatnam, virtuoso of the Poincaré sphere|journal=Current Science|year=1994|volume=67|issue=4|url=http://www.currentscience.ac.in/Downloads/article_id_067_04_0220_0223_0.pdf}}</ref>

==References==
<references/>

{{Authority control}}

{{DEFAULTSORT:Pancharatnam, S.}}
[[Category:1934 births]]
[[Category:1969 deaths]]
[[Category:Chandrasekhar family]]
[[Category:20th-century Indian physicists]]
[[Category:Fellows of the Indian Academy of Sciences]]
[[Category:University of Mysore faculty]]
[[Category:Scientists from Kolkata]]
[[Category:Indian optical physicists]]

S. Pancharatnam - Revision history

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