G | SK | PHYSICS |
G02 | KL | OPTICS |
G02F | UKL | DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS [2, 4] |
G02F 1/00 | HGR | Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics [1, 2, 4, 2006.01] |
G02F 1/01 | UGR1 | . | for the control of the intensity, phase, polarisation or colour (G02F 1/29, G02F 1/35 take precedence) [2, 7, 2006.01] |
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G02F 1/015 | UGR2 | . . | based on semiconductor elements with at least one potential jump barrier, e.g. PN, PIN junction (G02F 1/03 takes precedence) [3, 2006.01] |
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G02F 1/017 | UGR3 | . . . | Structures with periodic or quasi periodic potential variation, e.g. superlattices, quantum wells [7, 2006.01] |
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G02F 1/025 | UGR3 | . . . | in an optical waveguide structure (G02F 1/017 takes precedence) [5, 7, 2006.01] |
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G02F 1/03 | UGR2 | . . | based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect (G02F 1/061 takes precedence) [2, 4, 7, 2006.01] |
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G02F 1/035 | UGR3 | . . . | in an optical waveguide structure [5, 2006.01] |
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G02F 1/05 | UGR3 | |
G02F 1/055 | UGR3 | . . . | the active material being a ceramic (G02F 1/035 takes precedence) [4, 5, 2006.01] |
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G02F 1/061 | UGR2 | . . | based on electro-optical organic material (G02F 1/07 takes precedence) [7, 2006.01] |
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G02F 1/065 | UGR3 | . . . | in an optical waveguide structure [7, 2006.01] |
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G02F 1/07 | UGR2 | . . | based on electro-optical liquids exhibiting Kerr effect [2, 2006.01] |
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G02F 1/09 | UGR2 | . . | based on magneto-optical elements, e.g. exhibiting Faraday effect [2, 2006.01] |
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G02F 1/095 | UGR3 | . . . | in an optical waveguide structure [5, 2006.01] |
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G02F 1/11 | UGR2 | . . | based on acousto-optical elements, e.g. using variable diffraction by sound or like mechanical waves (acousto-optical deflection G02F 1/33) [2, 2006.01] |
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G02F 1/125 | UGR3 | . . . | in an optical waveguide structure [5, 2006.01] |
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G02F 1/13 | UGR2 | . . | based on liquid crystals, e.g. single liquid crystal display cells [2, 2006.01] |
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G02F 1/133 | UGR3 | . . . | Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements (arrangements or circuits for control of liquid crystal elements in a matrix, not structurally associated with these elements G09G 3/36) [3, 7, 2006.01] |
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G02F 1/1333 | UGR4 | |
G02F 1/1334 | UGR5 | . . . . . | based on polymer-dispersed liquid crystals, e.g. microencapsulated liquid crystals [7, 2006.01] |
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G02F 1/1335 | UGR5 | . . . . . | Structural association of optical devices, e.g. polarisers, reflectors, with the cell [5, 2006.01] |
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G02F 1/13357 | UGR6 | . . . . . . | Illuminating devices [7, 2006.01] |
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G02F 1/13363 | UGR6 | . . . . . . | Birefringent elements, e.g. for optical compensation [7, 2006.01] |
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G02F 1/1337 | UGR5 | . . . . . | Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers [5, 2006.01] |
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G02F 1/1339 | UGR5 | . . . . . | Gaskets; Spacers; Sealing of the cell [5, 2006.01] |
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G02F 1/1341 | UGR5 | . . . . . | Filling or closing of the cell [5, 2006.01] |
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G02F 1/1343 | UGR5 | . . . . . | Electrodes [5, 2006.01] |
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G02F 1/1345 | UGR5 | . . . . . | Conductors connecting electrodes to cell terminals [5, 2006.01] |
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G02F 1/1347 | UGR5 | . . . . . | Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells [5, 2006.01] |
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G02F 1/135 | UGR4 | . . . . | Liquid crystal cells structurally associated with a photoconducting or a ferro-electric layer, the properties of which can be optically or electrically varied [3, 2006.01] |
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G02F 1/136 | UGR4 | . . . . | Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit (G02F 1/135 takes precedence) [5, 2006.01] |
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G02F 1/1362 | UGR5 | . . . . . | Active matrix addressed cells [7, 2006.01] |
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G02F 1/1365 | UGR6 | . . . . . . | in which the switching element is a two-electrode device [7, 2006.01] |
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G02F 1/1368 | UGR6 | . . . . . . | in which the switching element is a three-electrode device [7, 2006.01] |
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G02F 1/137 | UGR3 | . . . | characterised by a particular electro- or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction, dynamic scattering [3, 2006.01] |
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G02F 1/139 | UGR4 | . . . . | based on orientation effects in which the liquid crystal remains transparent [6, 2006.01] |
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G02F 1/141 | UGR5 | . . . . . | using ferroelectric liquid crystals [6, 2006.01] |
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G02F 1/15 | UGR2 | . . | based on electrochromic elements [5, 2006.01] |
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G02F 1/153 | UGR3 | . . . | Constructional arrangements [5, 2006.01] |
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G02F 1/155 | UGR4 | . . . . | Electrodes [5, 2006.01] |
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G02F 1/157 | UGR4 | . . . . | Structural association of optical devices, e.g. reflectors or illuminating devices, with the cell [5, 2006.01] |
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G02F 1/161 | UGR4 | . . . . | Gaskets; Spacers; Sealing of the cell; Filling or closing of the cell [5, 2006.01] |
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G02F 1/163 | UGR3 | . . . | Operation of electrochromic cells; Circuit arrangements [5, 2006.01] |
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G02F 1/167 | UGR2 | . . | based on electrophoresis [5, 2006.01] |
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G02F 1/17 | UGR2 | |
G02F 1/19 | UGR2 | . . | based on variable reflection or refraction elements (G02F 1/015-G02F 1/167 take precedence) [2, 5, 2006.01] |
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G02F 1/21 | UGR2 | . . | by interference [2, 2006.01] |
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G02F 1/225 | UGR3 | . . . | in an optical waveguide structure [5, 2006.01] |
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G02F 1/23 | UGR2 | |
G02F 1/25 | UGR3 | . . . | as to hue or predominant wavelength [2, 2006.01] |
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G02F 1/29 | UGR1 | . | for the control of the position or the direction of light beams, i.e. deflection [4, 2006.01] |
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G02F 1/295 | UGR2 | |
G02F 1/31 | UGR2 | . . | Digital deflection devices (G02F 1/33 takes precedence) [2, 2006.01] |
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G02F 1/313 | UGR3 | . . . | in an optical waveguide structure [5, 2006.01] |
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G02F 1/315 | UGR3 | . . . | based on the use of controlled total internal reflection [3, 2006.01] |
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G02F 1/33 | UGR2 | . . | Acousto-optical deflection devices [2, 2006.01] |
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G02F 1/335 | UGR3 | . . . | having an optical waveguide structure [5, 2006.01] |
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G02F 1/35 | UGR1 | . | Non-linear optics [2, 5, 2006.01] |
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G02F 1/355 | UGR2 | . . | characterised by the materials used [7, 2006.01] |
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G02F 1/361 | UGR3 | . . . | Organic materials [7, 2006.01] |
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G02F 1/365 | UGR2 | . . | in an optical waveguide structure (G02F 1/377 takes precedence) [7, 2006.01] |
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G02F 1/37 | UGR2 | . . | for second-harmonic generation [2, 2006.01] |
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G02F 1/377 | UGR3 | . . . | in an optical waveguide structure [7, 2006.01] |
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G02F 1/383 | UGR4 | . . . . | of the optical fibre type [7, 2006.01] |
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G02F 1/39 | UGR2 | . . | for parametric generation or amplification of light, infra-red, or ultra-violet waves [2, 2006.01] |
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G02F 2/00 | HGR | Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light (G02F 1/35 takes precedence) [1, 2, 2006.01] |
G02F 2/02 | UGR1 | . | Frequency-changing of light, e.g. by quantum counters [2, 2006.01] |
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G02F 3/00 | HGR | Optical logic elements; Optical bistable devices [1, 5, 2006.01] |
G02F 3/02 | UGR1 | . | Optical bistable devices [5, 2006.01] |
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G02F 7/00 | HGR | Optical analogue/digital converters [1, 2006.01] |