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1. WO2011009467 - ACTIVATION CIRCUIT FOR A POCKELS CELL

Publication Number WO/2011/009467
Publication Date 27.01.2011
International Application No. PCT/EP2009/004723
International Filing Date 30.06.2009
IPC
G02F 1/03 2006.01
GPHYSICS
02OPTICS
FDEVICES 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
1Devices 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
01for the control of the intensity, phase, polarisation or colour
03based on ceramics or electro-optical crystals, e.g. exhibiting Pockels or Kerr effect
CPC
G02F 1/0305
GPHYSICS
02OPTICS
FDEVICES 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
1Devices 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
01for the control of the intensity, phase, polarisation or colour 
03based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
0305Constructional arrangements
G02F 1/0327
GPHYSICS
02OPTICS
FDEVICES 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
1Devices 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
01for the control of the intensity, phase, polarisation or colour 
03based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
0327Operation of the cell; Circuit arrangements
Y10S 359/90
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
359Optical: systems and elements
90Methods
Applicants
  • BERGMANN MESSGERÄTE ENTWICKLUNG KG [DE]/[DE] (AllExceptUS)
  • BERGMANN, Thorald, Horst [DE]/[DE] (UsOnly)
Inventors
  • BERGMANN, Thorald, Horst
Agents
  • LAMBSDORFF, Matthias, Graf
Priority Data
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ANSTEUERSCHALTUNG FÜR POCKELSZELLE
(EN) ACTIVATION CIRCUIT FOR A POCKELS CELL
(FR) CIRCUIT DE COMMANDE POUR CELLULE DE POCKELS
Abstract
(DE)
Eine Ansteuerschaltung für eine Pockelszelle umfasst einen ersten Schaltungsknoten (P1), der mit einem ersten Anschluss der Pockelszelle (CP) verbindbar ist, und einen zweiten Schaltungsknoten (P2), der mit einem zweiten Anschluss der Pockelszelle (CP) verbindbar ist, wobei der erste Schaltungsknoten (P1) durch eine erste Leitung über einen ersten Schalter (S1B) mit einem ersten elektrischen Potential (HV1) und durch eine zweite Leitung über einen zweiten Schalter (S1A) mit einem zweiten elektrischen Potential (HV2) verbunden ist, und der zweite Schaltungsknoten (P2) durch eine dritte Leitung über einen dritten Schalter (S2B) mit einem dritten elektrischen Potential (HV3) und über einen vierten Schalter (S2A) mit einem vierten elektrischen Potential (HV4 ) verbunden ist, und HV1 positiver als HV2 und HV3 positiver als HV4 ist, wobei die Differenz der Potentiale (HV1 - HV4 ) größer ist als die Differenz der Potentiale (HV1 - HV2) und die Differenz der Potentiale (HV1 - HV4 ) größer ist als die Differenz der Potentiale (HV3 - HV4 ).
(EN)
The invention relates to an activation circuit for a Pockels cell, comprising a first circuit node (P1), which can be connected to a first connection of the Pockels cell (CP), and a second circuit node (P2), which can be connected to a second connection of the Pockels cell (CP), wherein the first circuit node (P1) is connected by means of a first line to a first electrical potential (HV1) across a first switch (S1B) and by means of a second line to a second electrical potential (HV2) across a second switch (S1A), and the second circuit node (P2) is connected by means of a third line to a third electrical potential (HV3) across a third switch (S2B) and to a fourth electrical potential (HV4) across a fourth switch (S2A), and HV1 is more positive than HV2 and HV3 is more positive than HV4, wherein the difference of the potentials (HV1 - HV4) is greater than the difference of the potentials (HV1 - HV2) and the difference of the potentials (HV1 - HV4) is greater than the difference of the potentials (HV3 - HV4).
(FR)
L'invention concerne un circuit de commande pour une cellule de Pockels qui comprend un premier noeud de circuit (P1) qui peut être relié à une première borne de la cellule de Pockels et un deuxième noeud de circuit (P2) qui peut être relié à une deuxième borne de la cellule de Pockels, le premier noeud de circuit (P1) étant relié par une première ligne via un premier commutateur (S1B) à un premier potentiel électrique (HV1) et par une deuxième ligne via un deuxième commutateur (S1A) à un deuxième potentiel électrique (HV2), et le deuxième noeud de circuit (P2) étant relié par une troisième ligne via un troisième commutateur (S2B) à un troisième potentiel électrique (HV3) et via un quatrième commutateur (S2A) à un quatrième potentiel électrique (HV4), HV1 étant plus positif que HV2 et HV3 étant plus positif que HV4, la différence des potentiels (HV1 - HV4) étant plus grande que la différence des potentiels (HV1 - HV2) et la différence des potentiels (HV1 - HV4) étant plus grande que la différence des potentiels (HV3 - HV4).
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