H01S 1 - Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves

Patents for H01S 1 - Masers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of electromagnetic waves of wavelength longer than that of infra-red waves (893)
03/2003
03/06/2003	WO2003019738A1 Cw-oscillation millimeter wave/submillimeter wave laser composed of integrated circuit including intrinsic josephson device
03/06/2003	WO2001069731A9 Compact, flexible, rapid-pulsed, molecular gas laser
02/2003
02/20/2003	WO2003015229A1 A method to obtain contamination free laser mirrors and passivation of these
02/20/2003	WO2003014823A1 Device for generating thz radiation
02/20/2003	CA2457537A1 A method to obtain contamination free laser mirrors and passivation of these
02/13/2003	US20030029836 Method to obtain contamination free laser mirrors and passivation of these
02/12/2003	EP1283568A1 High-frequency discharge excited oxygen generator for iodine laser and high-frequency discharge excited oxygen generating method
02/06/2003	WO2003010863A1 Portable laser device
02/04/2003	US6515539 Microwave devices based on chemically induced dynamic electron spin polarization
01/2003
01/30/2003	US20030021323 Compact, flexibie, rapid-pulsed, molecular gas laser
01/30/2003	US20030021312 Portable laser device
01/08/2003	EP1273075A2 Optically pumped solid state maser
12/2002
12/27/2002	WO2002103261A1 Method and device for cooling a working medium and method for generating a microwave emission
12/12/2002	US20020186726 Wavelength-tunable vertical cavity surface emitting laser and method of making same
12/05/2002	WO2002097934A2 Wavelenth-tunable vertical cavity surface emitting laser and method of making same
11/2002
11/21/2002	DE10122072A1 Semiconductor emitter element used in semiconductor diode lasers comprises semiconductor layer systems with electrically conducting layers, and a control element for applying voltage pulses between the electrically conducting layers
10/2002
10/31/2002	US20020159736 Cladding-pumped 3-level fiber laser/amplifier
10/24/2002	US20020154668 Very narrow band, two chamber, high rep rate gas discharge laser system
10/02/2002	EP1246321A2 Cladding-pumped 3-level fiber laser/amplifier
10/02/2002	EP1245063A1 Long band optical amplifier
09/2002
09/12/2002	US20020125419 Solid-state organic maser
09/12/2002	US20020125418 Atomic fountain apparatus
08/2002
08/14/2002	EP1230578A1 Compact fiber pigtailed terahertz modules
08/07/2002	EP1229766A2 Atomic fountain apparatus
07/2002
07/30/2002	US6426679 Miniature, low power atomic frequency standard with improved rf frequency synthesizer
07/25/2002	US20020097755 Apparatuses and methods for generating coherent electromagnetic laser radiation
07/16/2002	US6421172 Long band optical amplifier
07/04/2002	WO2002025785A8 Apparatuses and methods for generating coherent electromagnetic laser radiation
06/2002
06/20/2002	US20020075079 Miniature, low power atomic frequency standard with improved rf frequency synthesizer
05/2002
05/23/2002	US20020060201 Ions of an ion beam with predetermined polarity are extracted from an ion source and accelerated, which is then reflected and neutralizedm
04/2002
04/18/2002	WO2001078201A3 Optically pumped solid state maser
03/2002
03/28/2002	WO2002025785A2 Apparatuses and methods for generating coherent electromagnetic laser radiation
02/2002
02/21/2002	WO2001068271A8 Controlling surface chemistry on solid substrates
02/07/2002	WO2001069731B1 Compact, flexible, rapid-pulsed, molecular gas laser
01/2002
01/09/2002	CN2470044Y Light-splitting mechanism of thin base-material laser boring machine
01/03/2002	WO2001069731A3 Compact, flexible, rapid-pulsed, molecular gas laser
12/2001
12/19/2001	CN1327283A Photon crystal micro cavity structure
11/2001
11/01/2001	WO2001082425A1 High-frequency discharge excited oxygen generator for iodine laser and high-frequency discharge excited oxygen generating method
11/01/2001	US20010035795 Rubidium atom oscillator
10/2001
10/18/2001	WO2001078201A2 Optically pumped solid state maser
10/09/2001	US6301041 Unidirectional optical amplifier
10/09/2001	US6300841 Atomic oscillator utilizing a high frequency converting circuit and an active, low-integral-number multiplier
09/2001
09/20/2001	WO2001069731A2 Compact, flexible, rapid-pulsed, molecular gas laser
09/20/2001	WO2001068271A1 Controlling surface chemistry on solid substrates
08/2001
08/15/2001	CN1308394A Laser oscillator
07/2001
07/05/2001	WO2001048879A1 Long band optical amplifier
07/05/2001	CA2396034A1 Long band optical amplifier
06/2001
06/27/2001	EP1111739A2 Laser oscillator apparatus
06/21/2001	US20010004368 Laser oscillating apparatus
05/2001
05/31/2001	WO2001038929A1 Compact fiber pigtailed terahertz modules
05/29/2001	US6238811 Comprising a magnet and a semiconductor material consisting of a mixture of p-type and n-type semiconductor powders; concurrent generation of both an electrostatic field and a magnetostatic field; medical equipment
04/2001
04/10/2001	US6215366 Metallic cell for optically activated atomic frequency standards
03/2001
03/28/2001	CN1063873C Two-pulse pre-ionization discharger for lateral flow gas laser
12/2000
12/21/2000	WO2000077892A1 Superconducting oscillator for generating coherent electromagnetic radiation and method of manufacture thereof
06/2000
06/27/2000	CA2184682C Solid state device for generating electromagnetic wave in terahertz-band
05/2000
05/10/2000	CN2377663Y Safety switch for laser health device
02/2000
02/23/2000	EP0981190A1 Unidirectional optical amplifier
09/1999
09/15/1999	CN1228247A Electromagnetic wave generating composite
04/1999
04/28/1999	EP0911919A1 Atomic frequency standard
12/1998
12/08/1998	US5847618 Atomic maser with cylindrical sapphire storage bulb
11/1998
11/17/1998	US5838206 Active hydrogen maser atomic frequency standard
08/1998
08/04/1998	US5789750 Optical system employing terahertz radiation
07/1998
07/15/1998	EP0852758A1 A miniature atomic frequency standard
05/1998
05/12/1998	US5751193 Rubidium atomic oscillator with laser diode wavelength adjustment
03/1998
03/11/1998	EP0828143A2 Optical system employing terahertz radiation
03/04/1998	CN2275767Y Metal discharge-tube CO2 laser
01/1998
01/27/1998	US5712597 Rubidium atom oscillator with temperature stabilized frequency output
09/1997
09/23/1997	US5670914 Miniature atomic frequency standard
04/1997
04/03/1997	WO1997012298A1 A miniature atomic frequency standard
04/03/1997	CA2232933A1 A miniature atomic frequency standard
04/02/1997	EP0766353A1 Atomic frequency standard
03/1997
03/12/1997	EP0762565A2 Solid state device for generating electromagnetic wave in terahertz-band
01/1997
01/15/1997	CN1140349A Two-pulse pre-ionization discharger for lateral flow gas laser
12/1996
12/04/1996	CN1033481C Atomic frequency standard
05/1996
05/14/1996	US5517157 Evanescent-field interrogator for atomic frequency standards
09/1995
09/12/1995	US5450040 Gaussian-beam oscillator for microwave and millimeter waves
08/1995
08/23/1995	CN1107236A Evanescent-field interrogator for atomic frequency standards
02/1995
02/07/1995	US5387881 Atomic frequency standard
11/1994
11/15/1994	US5365186 Proton maser
11/08/1994	US5363054 Double beam cyclotron maser
11/02/1994	EP0622905A2 Evanescent-field interrogator for atomic frequency standards
10/1994
10/28/1994	CA2120420A1 Evanescent-field interrogator for atomic frequency standards
07/1994
07/05/1994	US5327105 Gas cell for a miniaturized atomic frequency standard
03/1994
03/23/1994	CN1084325A Atomic frequency standard cell and method for forming same
03/01/1994	US5291145 Microwave processing equipment
02/1994
02/09/1994	CN2155635Y Solid millimeter-wave frequency modulator
01/1994
01/19/1994	EP0579259A1 Atomic frequency standard cell and method for forming same
01/18/1994	CA2098966A1 Atomic frequency standard cell and method for forming same
12/1993
12/08/1993	CN1079346A Atomic frequency standard
10/1993
10/26/1993	US5256995 Low helium permeability atomic frequency standard cell and method for forming same
09/1993
09/22/1993	EP0561261A1 Atomic frequency standard
09/14/1993	US5245250 Method for controlling a charged particle beam
07/1993
07/07/1993	EP0550240A1 Atomic frequency standard
07/01/1993	CA2086021A1 Miniaturized atomic frequency standard
05/1993
05/26/1993	EP0532669A4 An improved frequency standard using an atomic stream of optically cooled atoms
03/1993
03/24/1993	EP0532669A1 An improved frequency standard using an atomic stream of optically cooled atoms
02/1993
02/03/1993	EP0526074A2 Atomic clock RF chain
11/1992
11/17/1992	US5164848 Helmet mounted display
09/1992
09/16/1992	EP0503624A1 Microwave processing equipment
09/15/1992	US5148437 Laser pumped atomic frequency standard with high frequency stability

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