Tajima et al., 1998 - Google Patents
Frequency bandwidth improvement of electric field sensor using optical modulator by resistively loaded elementTajima et al., 1998
- Document ID
- 16046206924811816509
- Author
- Tajima K
- Kobayashi R
- Kuwabara N
- Tokuda M
- Publication year
- Publication venue
- Electrical Engineering in Japan
External Links
Snippet
A wide‐band electric field sensor is needed for measuring impulse noise or evaluating EMC facilities. An electric field sensor using an optical modulator is suitable because it can operate over a wide frequency range and it does not disturb the electric field because it does …
- 230000005684 electric field 0 title abstract description 69
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0878—Sensors; antennas; probes; detectors
- G01R29/0885—Sensors; antennas; probes; detectors using optical probes, e.g. electro-optical, luminiscent, glow discharge, or optical interferometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of aerials; Antenna testing in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00 and G01R33/00 - G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00 and G01R33/00 - G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/247—Details of the circuitry or construction of devices covered by G01R15/241 - G01R15/246
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants; Measuring impedance or related variables
- G01R27/2617—Measuring dielectric properties, e.g. constants
- G01R27/2635—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the preceding groups
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kanda | Standard antennas for electromagnetic interference measurements and methods to calibrate them | |
| US7511511B2 (en) | Specific absorption rate measuring system, and a method thereof | |
| US5389782A (en) | Optically powered amplifier used by an electromagnetic field sensor to amplify an electrical signal from an antenna | |
| EP0664460A1 (en) | Electric field sensor | |
| Tajima et al. | Development of optical isotropic E-field sensor operating more than 10 GHz using Mach-Zehnder interferometers | |
| Zhang et al. | Design and application of integrated optics sensor for measurement of intense pulsed electric field | |
| Kanda et al. | Optically sensed EM-field probes for pulsed fields | |
| Wyss et al. | A practical optical modulator and link for antennas | |
| Cecelja et al. | Electrooptic sensor for near-field measurement | |
| Masterson et al. | Photonic probes for the measurement of electromagnetic fields over broad bandwidths | |
| Tokuda et al. | Recent progress in fiber optic antennas for EMC measurement | |
| Tajima et al. | Frequency bandwidth improvement of electric field sensor using optical modulator by resistively loaded element | |
| US5225668A (en) | Photonic electromagnetic field sensor apparatus | |
| Kanda | Methodology for electromagnetic interference measurements | |
| US5243186A (en) | Photonic electromagnetic field sensor apparatus | |
| Bassen et al. | Complete measurement of electromagnetic fields with electro-optical crystals | |
| Cecelja et al. | Optimised CdTe sensors for measurement of electric and magnetic fields in the near field region | |
| Trinks et al. | Electro-optical system for EMP measurement | |
| Zeng et al. | The development of integrated electro-optic sensor for intensive electric field measurement | |
| JP3071497B2 (en) | Electric field sensor | |
| TAJIMA et al. | Improving design method for sensitivity and frequency response of E-field sensor using a Mach-Zehnder interferometer | |
| Cecelja | Experimental dosimetry for high frequencies | |
| Sugiura et al. | Current topics of microwave EMI antennas and measurements | |
| JPH02184772A (en) | Electric field antenna using optical crystal | |
| Dakin et al. | A passive all-dielectric field probe for RF measurement using the electro-optic effect |