William B. Chapman
24Patents
12h-index
35Co-inventors
81Inventor score
Filing activity: Oct 15, 1999 → Dec 6, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6282215A | Continuously-tunable external cavity laser | Electricity | 84 | Expired |
| US6853654B2 | Tunable external cavity laser | Electricity | 76 | Expired |
| US6526071B1 | Tunable laser transmitter with internal wavelength grid generators | Electricity | 51 | Expired |
| US6600760B1 | Method and apparatus for tuning a laser | Electricity | 38 | Expired |
| US6888856B2 | Method and apparatus for filtering an optical beam | Electricity | 32 | Expired |
| US6661814B1 | Method and apparatus for suppressing stimulated brillouin scattering in fiber links | Electricity | 27 | Expired |
| US6879619B1 | Method and apparatus for filtering an optical beam | Electricity | 22 | Expired |
| US7120176B2 | Wavelength reference apparatus and method | Physics | 21 | Expired |
| US6704332B2 | Tunable external cavity laser | Electricity | 20 | Expired |
| US6804278B2 | Evaluation and adjustment of laser losses according to voltage across gain medium | Electricity | 17 | Expired |
| US7257142B2 | Semi-integrated designs for external cavity tunable lasers | Electricity | 16 | Expired |
| US6901088B2 | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength | Electricity | 12 | Expired |
| US7209498B1 | Method and apparatus for tuning a laser | Electricity | 12 | Expired |
| US6822996B1 | Mount having high mechanical stiffness and tunable external cavity laser assembly including same | Electricity | 6 | Expired |
| US7061946B2 | Intra-cavity etalon with asymmetric power transfer function | Physics | 5 | Expired |
| US6775076B2 | Micro optical bench for mounting precision aligned optics, optical assembly and method of mounting optics | Physics | 4 | Expired |
| US6927377B2 | Wavelength locking channel monitor | Electricity | 1 | Expired |
| US10483717B2 | Laser power adjustment during tuning to compensate for detector response and varying background absorption | Electricity | 1 | Active |
| US10437033B2 | Modulating spectroscopic imaging system using substantially coherent illumination | Electricity | 1 | Active |
| US7218652B2 | External cavity laser method and apparatus with orthogonal tuning of laser wavelength and cavity optical path length | Electricity | 0 | Expired |
| US9989412B2 | Low-noise spectroscopic imaging system | Physics | 0 | Active |
| US11803044B2 | Low-noise spectroscopic imaging system with steerable substantially coherent illumination | Physics | 0 | Active |
| US7468996B2 | External cavity laser tuning element dither servo control | Electricity | 0 | Active |
| US10365158B2 | Low-noise spectroscopic imaging system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.