Inventor

LANG ROBERT J

US73 patents

⚠️ This page may combine multiple inventors who share the name “LANG ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LANG ROBERT J

SDL INC

Power enhanced frequency conversion system

High power pumped mid-IR wavelength systems using nonlinear frequency mixing (NFM) devices

Thermal compensators for waveguide DBR laser sources

Wavelength-stabilized, high power semiconductor laser

Optical beam reconfiguring device and optical handling system for device utilization

Wavelength-stabilized, high power semiconductor laser

Frequency converted laser diode and lens system therefor

Laser diode array assemblies with optimized brightness conservation

High brightness laser diode source

Semiconductor laser with broad-area intra-cavity angled grating

Multiple emitter semiconductor laser pump source for scaling of pump power and generation of unpolarized light for light signal amplification

Frequency conversion system

High power pumped MID-IR wavelength devices using nonlinear frequency mixing (NFM)

External cavity, continuously tunable wavelength source

Differentially patterned pumped optical semiconductor gain media

External cavity, continuously tunable wavelength source

Stabilization of laser sources with closely-coupled optical reflectors using an internal dither circuit

Optically amplifying semiconductor diodes with curved waveguides for external cavities

Angled distributed reflector optical device with enhanced light confinement

High brightness laser diode source

Flared semiconductor optoelectronic device

Laser amplifiers with suppressed self oscillation

Frequency converted laser diode and lens system therefor

Branched MOPA device with phased array of amplifiers

EXXON RESEARCH ENGINEERING CO

Process for the catalytic gasification of coal

Gasification process

Recovery of alkali metal catalyst constituents with sulfurous acid

Gasification process using ion-exchanged coal

Process for the production of hydrocarbons from coal

Catalytic coal gasification process

Catalyst composition prepared by vapor depositing onto a carbon support

Catalyst composition and process of making

JDS UNIPHASE CORP

Fiber grating-stabilized, semiconductor pump source

Pump coupling of double clad fibers

Raman-based utility optical amplifier

Extended cavity laser device with bulk transmission grating

Folded cavity, broad area laser source

Tunable distributed feedback laser

Optical component attachment to optoelectronic packages

Raman-based utility optical amplifier

LANG ROBERT J

Container with integral foldable locking closure

Paper cup with five-fold integral closure

Paper cup with integral closure

CALIFORNIA INST OF TECHN

Time-multiplexed, optically-addressed, gigabit optical crossbar switch

Lateral coupled cavity semiconductor laser

US ARMY

Wavelength-division multiplexed optical integrated circuit with vertical diffraction grating

SILICON LIGHT MACHINES CORP

Two-dimensional motion sensor

NASA

Multiperiod-grating surface-emitting lasers

HUGHES AIRCRAFT CO

Hybrid laser power combining and beam cleanup system using nonlinear and adaptive optical wavefront compensation

CYPRESS SEMICONDUCTOR CORP

Signal processing method for optical sensors