Semiconductor Laser Arrangements TRIZ Cases

Phase-shifted control of multiple LD modules cancels current ripple in combined laser beams, improving output stability for laser processing.

A tunable inductor-capacitor resonant circuit generates 1-5 ns high-current laser pulses from low input voltage, avoiding GaN complexity.

Beam shaping aligns differing laser beam ellipticities before combining, preserving light intensity and resolution in the overall beam.

Multiple rotating LEDs with tuned wavelengths and drive currents improve spectral resolution and SNR without heating samples.

Continuously rotating reflectors and synchronized firing let multiple laser devices send pulse trains along one clear optical path.

Material selection across the active region, waveguide, and grating offsets thermal walk-off and stabilizes wavelength without active feedback.

Mounting laser chips on opposite sides of a thin carrier shrinks base area and keeps emission regions close enough for shared optics.

Discontinuous PCB regions and internal wiring shrink the laser source while preserving stable chip connection and optical efficiency.

A U-turn chip splits and redirects amplified light across an SOA array, enabling compact FMCW LiDAR without bulky optics or moving parts.

Shifting the beam array center line relative to the condenser lens axis equalizes optical paths and improves fiber coupling efficiency.

Automatic wavelength sensing and VBG-based locking keep combined diode lasers aligned for scalable power and narrow bandwidth.

Separate sub-mount wiring enables individual inspection of semiconductor laser elements, catching minute mounted-state degradation for reliable lighting.

A conductive bonding section doubles as wiring between housing members, cutting internal resistance and improving heat dissipation.

Direct thermal contact and ambient sensing let a laser diode stack reach target temperature faster, stabilizing wavelength with lower standby power.

A translating sample stage switches between dedicated imaging regions, enabling optical, fluorescence, and chemiluminescence measurements on one platform.

Alternating light-emitting portions and shielding layers suppress adjacent light propagation, improving luminous efficiency at tighter pitch.

Covering exposed adhesive with a silicon oxide barrier limits organic gas volatilization and preserves laser diode output stability.

GaN direct-drive and resonant laser circuits overcome Si MOSFET limits to deliver nanosecond pulses and peak currents for LIDAR.

Dual SOAs, a polarization rotator, and beam combiner generate dummy light that cuts polarization-dependent loss and EDFA power use.

A red laser measures internal cavity distance to correct green laser phase drift from temperature, cutting power and cost while improving accuracy.

A dual-adhesive bond uses UV curing for precise lens positioning and thermosetting resin for stable adhesion under light exposure.

Multiple laser beams are fanned out and superimposed to widen spectral bandwidth, shorten coherence length, and reduce speckle.

Beam shaping optics circularize diode laser image and NA spaces to fit fiber geometry, enabling more emitters and higher brightness.

Nonlinear crystal angle control and a tunable solid-state source keep excimer output narrow and pulse energy stable for higher-resolution exposure.