ClassID:

174920

G02B27/4266 - CPC Classification

Classification description:

Optical systems or apparatus not provided for by any of the groups -; Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect Diffraction theory; Mathematical models

Recent Application in this class:
#1
20260118673
2026-04-30

LIGHT GUIDE DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME

#2
20260050177
2026-02-19

BINARY, FOURIER DOMAIN-SYNTHESIZED GRATINGS FOR MULTIPLE WAVELENGTH REFLECTORS

#3
20260038099
2026-02-05

IMAGING SYSTEM AND METHOD FOR IMAGING OBJECTS WITH REDUCED IMAGE BLUR

#4
20250224547
2025-07-10

LIGHT GUIDE MEMBER COMPRISING DIFFRACTION PATTERN

#5
20250020839
2025-01-16

EFFICIENT MODELING OF A DIFFRACTIVE WAVEGUIDE

#6
20240402510
2024-12-05

OPTICAL SYSTEM, ITS MANUFACTURING METHOD, AND IMAGE PICKUP APPARATUS

#7
20230366674
2023-11-16

Method for measuring the diameter of filament diffraction fringes by calculating the frequency domain

#8
20230251500
2023-08-10

Method of conical anisotropic rigorous coupled wave analysis for grating and computing device

#9
20230244085
2023-08-03

Periodic optimization method for diffractive optical element

#10
20230222629
2023-07-13

IMAGING SYSTEM AND METHOD FOR IMAGING OBJECTS WITH REDUCED IMAGE BLUR

#11
20220019020
2022-01-20

Method and Apparatus for Optical Waveguide-to-Semiconductor Coupling for Integrated Photonic Circuits

#12
20210166359
2021-06-03

Imaging system and method for imaging objects with reduced image blur

#13
20200116588
2020-04-16

Optical test system and method for determining size of gap between two substrates of optical element

#14
20200004036
2020-01-02

Diffractive optical device providing structured light

#15
20190339541
2019-11-07

Diffractive optical element and preparation method

#16
20190295226
2019-09-26

Imaging system and method for imaging objects with reduced image blur

#17
20190179164
2019-06-13

Complementary Apertures To Reduce Diffraction Effect

#18
20190072454
2019-03-07

Optical test system and method for determining size of gap between two substrates of optical element

#19
20190056217
2019-02-21

Three dimensional image measurement system

#20
20180259786
2018-09-13

Optical field transformation methods and systems

#21
20180253832
2018-09-06

Imaging system and method for imaging objects with reduced image blur

#22
20170269297
2017-09-21

Method and apparatus for optical waveguide-to-semiconductor coupling for integrated photonic circuits

#23
20170235153
2017-08-17

Wide spectral band subwavelength diffractive component

#24
20170212285
2017-07-27

Dispersionless and dispersion-controlled optical dielectric metasurfaces

#25
20170153601
2017-06-01

Method for encoding a hologram in a light modulation device

#26
20170075139
2017-03-16

Spectacle lens having a plurality of diffraction structures for light

#27
20170052458
2017-02-23

DIFFRACTIVE OVERLAY MARK

#28
20160350897
2016-12-01

Imaging system and method for imaging objects with reduced image blur

#29
20160327784
2016-11-10

Optimized design method for manufacturing fresnel grating

#30
20160252743
2016-09-01

DIFFRACTION GRATING LENS, DESIGN METHOD FOR OPTICAL SYSTEM HAVING SAME, IMAGE COMPUTATION PROGRAM, AND PRODUCTION METHOD FOR DIFFRACTION GRATING LENS

#31
20160161647
2016-06-09

METHOD FOR PRODUCING MOLD FOR MINUTE PATTERN TRANSFER, METHOD FOR PRODUCING DIFFRACTION GRATING USING THE SAME, AND METHOD FOR PRODUCING ORGANIC EL ELEMENT INCLUDING THE DIFFRACTION GRATING

#32
20160048032
2016-02-18

Optical field transformation methods and systems

#33
20150371434
2015-12-24

Coded light pattern having hermitian symmetry

#34
20150371127
2015-12-24

Coded light pattern having hermitian symmetry

#35
20150124302
2015-05-07

Method for encoding a hologram in a light modulation device

#36
20140204463
2014-07-24

Zone plate having annular or spiral shape and Y-shaped branching edge dislocation

#37
20120266937
2012-10-25

DIFFRACTIVE OPTIC

#38
20120223218
2012-09-06

Diffractive optical element and measuring apparatus

#39
20120163157
2012-06-28

Optical Element and Optical Pickup Device

#40
20120062760
2012-03-15

Imaging system and method for imaging objects with reduced image blur

#41
20110261459
2011-10-27

Diffractive optical element and optical device

#42
20110075259
2011-03-31

Optical designs for zero order reduction

#43
20110069389
2011-03-24

OPTICAL DESIGNS FOR ZERO ORDER REDUCTION

#44
20090185274
2009-07-23

OPTICAL DESIGNS FOR ZERO ORDER REDUCTION

#45
15173770
2017-11-28

Pancharatnam-berry optical element/diffractive waveplate angular momentum sorter