Matches 351 - 388 out of 388 < 1 2 3 4 5 6 7 8
Match Document Document Title
4095875 Method of forming a retroreflective material via light interference fringe patterns  
Retroreflective material including a medium containing a plurality of diffraction elements comprising light interference fringe patterns is formed by pressing a first medium having on a surface...
4089582 Narrow band reflection polarizer  
The invention discloses a wave guide structure utilizing a narrow band reflection polarizer comprising a substrate and a multiple layer dielectric for a generally incident unpolarized...
4084883 Reflective polarization retarder and laser apparatus utilizing same  
A reflective thin film polarization retardation device which is adapted for use in active mirror laser apparatus is described. The device permits obtaining phase retardation of light, different...
4084188 Optical scanner  
An optical scanner is disclosed for scanning a three-dimensional object or a two-dimensional document located in a space which is open and exposed to ambient light. Light from a laser is directed...
4072856 Daylight-simulating incandescent lamp light fixture, particularly for medical and dental use  
To permit employment of an incandescent lamp of about 3000° K color temperature as a light source, the reflector reflecting light to the use area, typically an operating table, a dental chair, or...
4009933 Polarization-selective laser mirror  
An optical substrate has an electrically conductive grating on one surface. Over the grating is a multilayered dielectric coating.
3851973 RING LASER MAGNETIC BIAS MIRROR COMPENSATED FOR NON-RECIPROCAL LOSS  
A ring laser incorporating a magnetic bias mirror forming a corner of the ring optical cavity for imparting a differential phase shift to the contradirectional oscillatory beams circulating in the...
3758786 APPARATUS FOR SETTING BOTH BEAMS OF AN OPTICAL TWO-BEAM INSTRUMENT TO EQUAL INTENSITY  
In order to adjust the optical instrument to obtain equal beam intensities in each radiation channel, a part of the reflecting wall within one of the radiation channels or at the junction of the...
3601471 DURABLE FIRST SURFACE SILVER HIGH REFLECTOR  
Durable first surface silver reflector having a layer of silver which is undercoated and overcoated in such a manner as to give the layer excellent adhesion to the substrate and which is also...
3578864 SEMICONDUCTOR STRESS TRANSDUCER  
A semiconductor stress transducer in which a coherent light beam from a semiconductor diode laser is photomixed with the light beam from a control semiconductor diode laser. Means are provided for...
3578848 METHOD OF MAKING AN INTERFERENCE FILTER  
A Fabry-Perot type interference filter in which the two reflectors are identical high reflection coatings and are separated by a spacer element made of solid glass. The coatings are formed on...
3466120 METHOD OF MAKING OPTICAL COMPONENTS  
3464757 DAY-NIGHT OPTICAL VIEWING DEVICE  
3427092 THIN FILM HIGH FREQUENCY LIGHT MODULATOR USING TRANSVERSE MAGNETO-OPTICAL EFFECT  
3409376 Interferometer alignment  
3325666 Inert lamp reflector  
3194109 Interferometric device for determining deviations from planar motion  
3174067 Construction for projection lamps eliminating undesired infrared radiation  
3011383 Decorative optical material  
2941444 Absorption spectrometry apparatus  
2889734 Dichroic cross-mirror optical system  
2770558 Method of producing mirrors  
2715352 Retinoscope  
2672072 Color television optical system  
2647441 Front surface mirror improved by transparent protective overcoating  
2590906 Reflection interference filter  
2519722 Metallic mirror and method of making same  
2519547 Colored mirror  
2519546 Colored mirror  
2519545 Colored mirror  
2478817 Method of forming surface films by vapor coating and the article resulting therefrom  
2430452 Colored mirror  
2427592 Thorium compound protective coatings for reflecting surfaces  
2411955 Method of making colored mirrors  
2409407 Reflecting element for polarized light  
2394533 Colored mirror  
3624272 Title is not available  
3615138 Title is not available  
Matches 351 - 388 out of 388 < 1 2 3 4 5 6 7 8