| Patent Number |
Title Of Patent |
Date Issued |
| 6031233 |
Handheld infrared spectrometer |
February 29, 2000 |
| A handheld device for infrared reflectance measurements of samples for identification of the sample materials is a self-contained portable unit built into a handheld housing. The housing includes a window and optics on a bench adjacent the window, so that the optics will be aligned with |
| 5809199 |
Biocompatible optical fiber tip for in vivo laser surgery |
September 15, 1998 |
| A biocompatible optical fiber tip derived from fluorophosphate glasses whose composition includes P--O compounds, AlF.sub.3, alkali-earth fluorides, and/or alkali fluorides, and lanthanides fluoride is used with a medical laser to transmit power for surgical applications. |
| 5796903 |
Heavy metal-oxide glass optical fibers for use in laser medical surgery and process of making |
August 18, 1998 |
| An improved optical glass fiber for transmitting mid infrared wavelength laser light in surgical instruments, includes a heavy-metal oxide component, preferably GeO.sub.2 doped with heavier cations and anions, and which is capable of delivering at least three watts of laser power con |
| 5274728 |
Heavy metal-oxide glass optical fibers for use in laser medical surgery |
December 28, 1993 |
| An improved optical fiber for transmitting mid-infrared wavelength laser light in surgical instruments, includes, a heavy-metal oxide component, preferably GeO.sub.2 doped with heavier cations and anions, is capable of delivering of at least three watts of laser power continuously for mo |
| 5120961 |
High sensitivity acousto-optic tunable filter spectrometer |
June 9, 1992 |
| An acousto-optical filter (AOTF) is used in a spectrometer for analysis of samples. The spectrometer provides continuous wave RF excitation through the crystal, and the spectrometer provides control and modulation for said RF source. The signal to noise ratio is improved by use of a lock |
| 5055120 |
Fluoride glass fibers with reduced defects |
October 8, 1991 |
| Improved fluoride glass optical fibers are produced by a process introducing several improvements in the production of fluoride glass preforms and the drawing of fibers therefrom. Reduced bubble formation and crystallization are obtained by vertically spinning a fluoride glass melt w |
| 5045507 |
In-situ quenched fluoride glasses |
September 3, 1991 |
| A process for producing high quality optical glass from fluoride glasses comprising preparing a melt of the glass and then cooling the melt in-situ inside the melt crucible. The in-situ quenching technique can be improved by narrowing the temperature range between the liquidus temperatur |