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1. (WO1992009374) FILMS FOR NON-LINEAR OPTICS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/009374 International Application No.: PCT/GB1991/002096
Publication Date: 11.06.1992 International Filing Date: 27.11.1991
Chapter 2 Demand Filed: 25.06.1992
IPC:
B05D 1/20 (2006.01) ,G02F 1/361 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
05
SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
D
PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
1
Processes for applying liquids or other fluent materials
18
performed by dipping
20
substances to be applied floating on a fluid
G PHYSICS
02
OPTICS
F
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
1
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
35
Non-linear optics
355
characterised by the materials used
361
Organic materials
Applicants:
BRITISH TECHNOLOGY GROUP LTD [GB/GB]; 101 Newington Causeway London SE1 6BU, GB (AllExceptUS)
ASHWELL, Geoffrey, Joseph [GB/GB]; GB (UsOnly)
Inventors:
ASHWELL, Geoffrey, Joseph; GB
Agent:
HAMILTON, Raymond; Patents Department British Technology Group Ltd 101 Newington Causeway London SE1 6BU, GB
Priority Data:
9025832.828.11.1990GB
Title (EN) FILMS FOR NON-LINEAR OPTICS
(FR) FILMS POUR SYSTEMES OPTIQUES NON LINEAIRES
Abstract:
(EN) Multi-layer Langmuir-Blodgett films comprising alternate layers of an optically non-linear amphiphilic compound and a spacer compound wherein the spacer comprises at least two hydrophobic substituents, have high second order non-linear optical coefficients, are stable over a prolonged period and quadratic SHG enhancement based on the number of layers. They are useful in a variety of opto-electronic devices.
(FR) Films de Langmuir-Blodgett à plusieurs couches comportant des couches alternantes d'un composé amphiphile optiquement non linéaire et d'un composé d'espacement comportant au moins deux substituants hydrophobes. Lesdits films présentent des coefficients optiques non linéaires de deuxième ordre élevés, sont stables pour une période prolongée et ont subi une amélioration SHG quadratique en fonction du nombre de couches. Ils sont utiles dans divers dispositifs optoélectroniques.
Designated States: JP, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0559701US5510200JPH06503431GB2253069