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Broad band wire grid polarizing beam splitter for use in the visible wavelength region    
United States Patent6243199   
Link to this pagehttp://www.wikipatents.com/6243199.html
Inventor(s)Hansen; Douglas P. (Spanish Fork, UT); Perkins; Raymond T. (Orem, UT); Gardner; Eric (Provo, UT)
AbstractA wire grid polarizing beam splitter has a generally parallel arrangement of thin, elongated elements which interact with electromagnetic waves of a source light beam to generally transmit or pass light of one polarization, and reflect light of the other polarization. The arrangement of elements has a throughput greater than approximately 50%, and an extinction greater than approximately 100. In addition, the arrangement of elements has a period less than approximately 0.21 .mu.m, and a width to period ratio of between approximately 0.25 to 0.76. The elements have a thickness of between approximately 0.05 to 0.5 .mu.m.



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Drawing from US Patent 6243199
Broad band wire grid polarizing beam splitter for use in the visible wavelength region - US Patent 6243199 Drawing
Broad band wire grid polarizing beam splitter for use in the visible wavelength region
Inventor     Hansen; Douglas P. (Spanish Fork, UT); Perkins; Raymond T. (Orem, UT); Gardner; Eric (Provo, UT)
Owner/Assignee     Moxtek (Orem, UT)
Patent assignment
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Publication Date     June 5, 2001
Application Number     09/390,833
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     September 7, 1999
US Classification     359/486 359/483 359/900
Int'l Classification     G02B 027/28
Examiner     Spyrou; Cassandra
Assistant Examiner     Juba Jr.; John
Attorney/Law Firm     Thorpe North & Western, LLP
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Priority Data    
USPTO Field of Search     359/483 359/485 359/486 359/900
Patent Tags     broad band wire grid polarizing beam splitter visible wavelength region
   
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