TY - PAT
T1 - Increase tolerance polarization convertors
AU - Tol, van der, J.J.G.M.
PY - 2013/6/13
Y1 - 2013/6/13
N2 - An optical polarization converter device includes a first polarization converter section [1100] and a second polarization converter section [1102], which have mirror image cross-sections of each other and which are made of a common material and have orientation (i.e., tilt) errors equal in magnitude and opposite in sign. Preferably, one section has half, the other one and a half times the length of an original (single section, non-tolerant) polarization converter, i.e., the lengths of the two sections have a ratio of 1:3. Other embodiments include length ratios of 3:5 and 5:7. In addition to correcting fabrication errors, the polarization converter also corrects errors due to temperature and wavelength, improving the tolerance with respect to operational conditions.
AB - An optical polarization converter device includes a first polarization converter section [1100] and a second polarization converter section [1102], which have mirror image cross-sections of each other and which are made of a common material and have orientation (i.e., tilt) errors equal in magnitude and opposite in sign. Preferably, one section has half, the other one and a half times the length of an original (single section, non-tolerant) polarization converter, i.e., the lengths of the two sections have a ratio of 1:3. Other embodiments include length ratios of 3:5 and 5:7. In addition to correcting fabrication errors, the polarization converter also corrects errors due to temperature and wavelength, improving the tolerance with respect to operational conditions.
UR - http://worldwide.espacenet.com/publicationDetails/biblio?CC=WO&NR=2013083493A1&KC=A1&FT=D&ND=3&date=20130613&DB=EPODOC&locale=nl_NL
M3 - Patent publication
M1 - WO2013083493 A1
ER -