Broadband electronically tunable resonant microwave modulators for CO/sub 2/ lasers
Journal Article
·
· Appl. Phys. Lett.; (United States)
An electro-optic microwave modulator generating frequency-swept sidebands 26--31 GHz offset from a CO/sub 2/ laser carrier is described. Resonant enhancement of the modulating field allows as low as 8-mW microwave drive power. Electronic tuning of the resonances by a ferrite phase shifter inside the cavity increases the FWHM modulation bandwidth from 140 MHz (untuned) to 4 GHz.
- Research Organization:
- Institut fuer Hochfrequenztechnik, Technische Universitaet, Gusshausstrasse 25, A-1040 Wien, Austria
- OSTI ID:
- 6477953
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 34:7; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
CARBON DIOXIDE LASERS
CAVITY RESONATORS
ELECTROMAGNETIC FIELDS
ELECTRONIC EQUIPMENT
FERRIMAGNETIC MATERIALS
FERRITES
FREQUENCY SELECTION
GAS LASERS
IRON COMPOUNDS
LASERS
MAGNETIC MATERIALS
MICROWAVE EQUIPMENT
MODULATION
OXYGEN COMPOUNDS
PHASE SHIFT
RESONANCE
RESONATORS
TRANSITION ELEMENT COMPOUNDS
TUNING
420300* -- Engineering-- Lasers-- (-1989)
CARBON DIOXIDE LASERS
CAVITY RESONATORS
ELECTROMAGNETIC FIELDS
ELECTRONIC EQUIPMENT
FERRIMAGNETIC MATERIALS
FERRITES
FREQUENCY SELECTION
GAS LASERS
IRON COMPOUNDS
LASERS
MAGNETIC MATERIALS
MICROWAVE EQUIPMENT
MODULATION
OXYGEN COMPOUNDS
PHASE SHIFT
RESONANCE
RESONATORS
TRANSITION ELEMENT COMPOUNDS
TUNING