Harvey M Wagner Deceased121 Hollywood Ave, Norristown, PA 19403

6389185, May 14, 2002

Jan 8, 2001

09/755112

William H. Meise - Penns Park PA
Harvey L. Wagner - Macungie PA
Thomas W. Karras - Berwyn PA

Lockheed Martin Corporation - Bethesda MD

G02B 600

385 11, 359256, 356369

An optical fiber that transforms light of undesired polarization into light of desired polarization. In principle, the signal power of the non-preferred polarization is transformed into signal power of the preferred polarization, thereby actually transforming the polarization. The fiber can have a circular end for input of light having randomly phased polarization, and an elongated end for output of light having a single principal orientation component. A generally smooth transition from the circular end to the elongated end causes substantially all the light entering the fiber to exit from the fiber without losing light due to reflection or radiation. Alternatively, the fiber can have a lobed end, for input of light having first and second mutually orthogonal polarization components, and an elongated end, for output of light having a single principal orientation component. Alternatively, the fiber can be a combination of the two forms described above. That is, the fiber can have a circular section that transforms first into a lobed section with increasing distance from the input port, with the lobed section then transforms into an elongated (e. g.

7113676, Sep 26, 2006

Dec 6, 2004

11/005286

David Piede - Allentown PA, US
Margaret Ghiron - Allentown PA, US
Prakash Gothoskar - Allentown PA, US
Robert Keith Montgomery - Easton PA, US
Vipulkumar Patel - Monmouth Junction NJ, US
Kalpendu Shastri - Orefield PA, US
Soham Pathak - Allentown PA, US
Katherine A. Yanushefski - Zionsville PA, US
Harvey Wagner - Macungie PA, US

G02B 6/26
G02B 6/42

385 42, 385 31, 385 37, 385 39, 385 43, 385 45, 385 47, 385 50

A planar optical isolator is formed within the silicon surface layer of an SOI structure. A forward-directed signal is applied to an input waveguiding section of the isolator and thereafter propagates through a non-reciprocal waveguide coupling region into an output waveguide section. A rearward-directed signal enters via the output waveguide section and is thereafter coupled into the non-reciprocal waveguide structure, where the geometry of the structure functions to couple only a small amount of the reflected signal into the input waveguide section. In one embodiment, the non-reciprocal structure comprises an N-way directional coupler (with one output waveguide, one input waveguide and N−1 isolating waveguides). In another embodiment, the non-reciprocal structure comprises a waveguide expansion region including a tapered, mode-matching portion coupled to the output waveguide and an enlarged, non-mode matching portion coupled to the input waveguide such that a majority of a reflected signal will be mismatched with respect to the input waveguide section. By cascading a number of such planar SOI-based structures, increased isolation can be achieved—advantageously within a monolithic arrangement.

2006001, Jan 26, 2006

Jul 22, 2005

11/187725

David Piede - Allentown PA, US
Prakash Gothoskar - Allentown PA, US
Harvey Wagner - Macungie PA, US
Margaret Ghiron - Allentown PA, US

G02B 6/26

385039000, 385037000

A tunable optical coupling arrangement for use with a relatively thin (generally sub-micron thickness) silicon waveguiding layer of a silicon-on-insulator (SOI) substrate. The arrangement comprises a multi-layer structure including a substrate for supporting one or more diffractive optical elements and a layer of tunable liquid crystal material. The multi-layer structure is disposed over a conventional SOI substrate including the thin silicon waveguiding layer, where the refractive index of the liquid crystal material can be modified to adjust the deflection of an input optical beam through the various diffractive optical elements and present an optimized launch angle into the silicon waveguiding layer, thus reducing insertion loss at the waveguiding layer.

2006012, Jun 15, 2006

Nov 25, 2005

11/287114

David Piede - Allentown PA, US
Bipin Dama - Bridgewater NJ, US
Kalpendu Shastri - Orefield PA, US
John Fangman - Leesport PA, US
Harvey Wagner - Macungie PA, US
Margaret Ghiron - Allentown PA, US

G02B 6/12

385014000

An SOI-based optical interconnection arrangement is provided that significantly reduces the size, complexity and power consumption requires of conventional high density electrical interconnections. In particular, a group of optical modulators and wavelength division multiplexers/demultiplexers are used in association with traditional electrical signal paths to “concentrate” a large number of the electrical-pinouts onto one optical waveguide (e.g., fiber). By utilizing a number of such SOI-based signal concentration structures, an optical backplane can be formed that couples all of these concentration structures through one optical substrate and then onto a separate number of output/receiving boards. Additionally, optical gain material may be embedded within the backplane element to further enhance the optical signal quality. The ability to integrate the electrical and optical components within a monolithic SOI-based structure provides for the significant reduction in the overall size of the connection arrangement and, further, reduces the power consumption by about an order of magnitude.

6128123, Oct 3, 2000

Mar 20, 1995

8/407145

Harvey Lawrence Wagner - Royersford PA

Lockheed Martin Corp. - Sunnyvale CA

G02B 2600

359260

An eye protection arrangement for protection against multispectral laser threats includes goggles or spectacles with a tunable etalon optical filter. In one embodiment, the optical filter is fixed-tuned to a safe frequency. In another embodiment, light from the laser being used is sensed, and used to set the protective goggles to a different wavelength than the laser. In yet another embodiment of the invention, the protective optical filters have a comb response, and additional protection is provided by optically cascading two filters, each having a somewhat different comb response, so as to reduce the number of transmission spectra.

5450223, Sep 12, 1995

Sep 7, 1993

8/116674

Harvey L. Wagner - Royersford PA
Michael S. Margulis - Yardley PA
Thomas W. Karras - Berwyn PA

Martin Marietta Corp. - East Windsor NJ

H04J 100
H04J 1400

359124

An optical demultiplexer includes an electrooptic modulator (410) which modulates a beam of light (418) in response to frequency-multiplexed radio-frequency (RF) information signals, to produce diverging beamlets of light (420). The diverging beamlets are separated by a spatial separator arrangement (426), and each beamlet (420), including the information of its RF carrier, is coupled to a separate optical detector (428). The detector (428) can extract amplitude modulation from the signal. In order to reconstruct the RF signal as well as the amplitude modulator, an optical "local oscillator" signal (OLO) is coupled to each detector together with its information signal. Signal loss due to vibration or misalignment is avoided, and heterodyne mixing efficiency is maximized in an embodiment of the invention, by propagating the OLO and information signals through a single-mode optical fiber to the detector. In a particular embodiment of the invention, the OLO signal is applied to a first fiber (622), the information signal is applied to a second fiber (610), and the first and second fibers are coupled together by a fiber-optic coupler (612). In another embodiment of the invention, the OLO signal results from generating an RF L. O.

5528295, Jun 18, 1996

Apr 28, 1994

8/234771

Harvey L. Wagner - Royersford PA

Martin Marietta Corp. - East Windsor NJ

H04N 907

348269

A color television camera includes a panchromatic light sensor such as a CCD imager. Light from a scene to be imaged is filtered by an electronically controlled light filter such as an etalon, which is scanned from color to color at the field rate, so that the image for each field is generated by a different color. The periodic spectral line or spectral band response of a single etalon is improved by a cascade of two etalons with different periodicity, which pass only a single spectral line or band. When an RGB color sequence is used, a complete color signal frame is generated in three fields. The imager may be operated at a field rate higher than the standard field rate, such as 90 Hz. for use with conventional 30 Hz. color frame rate, and a memory may be coupled to the output of the imager to store the three-field sequence of signals which occurs during each standard color frame, so that a complete color signal is available during each standard color frame.

5452127, Sep 19, 1995

Sep 16, 1994

8/307132

Harvey L. Wagner - Royersford PA

Martin Marietta Corporation - East Windsor NJ

G02B 2700
G01B 902

359486

A Fabry-Perot etalon (310) has a cavity (12) occupied by an electric-field variable index of refraction material (22). The cavity is flanked by a pair of parallel mirrors (14), at least one of which is partially reflecting. At least one of the supporting substrates (18l) has deposited thereon a light polarizing field electrode (316l) which includes a plurality of mutually parallel, spaced apart electrical conductors (392) which define gaps (394). The electrical conductors are mutually interconnected by bus conductors (390), and may be connected by lead conductors (37) to an external voltage source, for generating the desired electric field across the cavity.