Semiconductor Laser Arrangements TRIZ Cases

A cap-side light blocking film suppresses stray light from the laser while creating a region for lot marking in a compact package.

Curved reflecting surfaces shorten effective beam spread in compact laser packages, improving lens coupling, optical efficiency, and accuracy.

Inclined wall and opening geometry cuts transmission loss and diffuse reflection in optical waveguides while preserving LED heat dissipation.

Out-of-plane FAC beam redirection replaces stair-step laser diode mounts, reducing junction temperature, package size, and machining complexity.

Wavelength-dependent edge reflectance balances threshold current, light output, and COD resistance across multi-element semiconductor lasers.

Cascade-connected 2:1 optical combiners mix propagation modes to improve laser light flatness in compact spaces such as medical catheters.

A harder intermediate plate and clamped housing protect laser module electrodes while maintaining adjustable electrical and thermal contact.

Common substrate patterns let laser light modules mix devices with different element counts, widening output options without added manufacturing complexity.

Rotating overlapped LED modules with tuned drive currents improve spectral resolution, SNR, and measurement accuracy on curved samples.

Shared sub-array electrodes cut VCSEL drive current and pad area, enabling tighter spacing without uneven emission or short circuits.

Flanging holes and conductive pins relieve brazing stress to keep the base plate flat while maintaining hermetic electrical sealing.

Integrated spare lasers, couplers, and amplifier arrays keep high-density laser modules operating after laser failure while preserving power.

Angled reflective side surfaces and an anti-reflective coating improve light extraction, brightness, and thermal stability in radiation-emitting chips.

Feedback linewidth reduction, optical splitting, and amplification help coherent photonic circuits maintain power and frequency stability.

Perpendicular polarized laser groups and independent current control simplify projection optics, enabling compact, adaptable illumination.

Segmented laser beam shaping enables gradual dehydrogenation in amorphous silicon films, reducing hydrogen-explosion defects during crystallization.

Soft thermal interfaces and a separate heat-sink structure help dense chip-on-glass assemblies dissipate heat while limiting stress.

Two perpendicular laser diodes are polarization-combined and intensity-controlled to keep projection output continuous and adjustable.

A dielectric block uses total internal reflection to concentrate LED pump light while insulating heat from the laser gain material.

Oblique coated mirrors merge visible and invisible aiming beams into one optical path, eliminating aiming deviation during wavelength switching.

Thermal feedback replaces photodiodes and ADCs to control laser diode brightness with lower power, simpler circuitry, and more viewable area.

A shared optical reference substrate aligns laser diodes, fibers, and passive optics to raise transmission capacity without added module footprint.

A segmented cooling block uses conductive upper blocks and insulating sealant to keep laser modules insulated while improving coolant-side heat removal.

A monolithically integrated pump and secondary light source maintains beam quality at higher optical power while simplifying the component layout.

A single-wavelength VCSEL heats the substrate and measures reflected light to improve emissivity accuracy under high-temperature processing.

Sequentially shifted lens arrays and stacked edge-emitting lasers replace MEMS mirrors to improve LiDAR angular resolution and reduce noise.

Staggered PWM duty cycles let multiple laser lines and dots project together while keeping intersection brightness within safe limits.

Curved relay optics and a galvo combine resonator beams into an optical fiber while lowering BPP, reducing aberrations, and widening alignment tolerance.

One parent laser injection-locks multiple child lasers to reproduce phase, wavelength, and linewidth with lower cost and power in coherent networks.

A toroidal input block and hemispherical cover pre-collimate multiple laser beams, cutting Fresnel losses and reflections in wide-angle LiDAR scanning.

Four-segment reflectors reshape dual laser output into a uniform 0.5 mm square for efficient wavelength conversion and compact light emission.

Asymmetric lens spacing helps preserve source-to-lens alignment and stable light intensity distribution under slight rotational mounting errors.

Cylindrical lens arrays, diode tilting, polarization combining, and dichroic mirrors create high-power flattop beams with better uniformity.

An inclined first mirror, transmissive cover, and upper second mirror redirect laser beams to cut deviation and support high-power beam combining.

Orthogonal first and second mirrors correct beam direction deviations from multiple semiconductor lasers for stronger optical fiber coupling.

A stepped mount base and protruding upper laser device shrink module size while preserving insulation space, coupling efficiency, and heat dissipation.

Using the same lens curvature across laser packages supports flexible color and element counts while reducing inventory and production waste.

A sealed facet optical element protects the laser diode from particles while redirecting the beam and preserving heat dissipation in ambient air.

Offset-stacked photonics dies use collimating optics, a mirror, and an aperture to fit tight spaces while controlling light paths and reducing imaging noise.

Optical feedback compares sampled beam intensities to lock seed wavelengths and keep spectrally combined fiber laser beams aligned.

Support bars and thermal interface material let a heat sink cool a GCSE comb laser chip without direct contact or deformation.

Two grating-tuned amplifier chips split C and L band operation to enable wide-range optical switching with lower size, cost, and noise sensitivity.

Etched and overgrown optical-layer features create wavelength-specific VCSEL emitters without complex growth-rate tuning or tight alignment.

Multiple series-connected laser diode units use submounts and a heat sink for double-sided cooling, lowering thermal impedance and improving reliability.

A cap with a patterned light-blocking film suppresses stray laser light while preserving a mark region in a compact light-emitting package.

Directing a laser into selected fibers with different core sizes changes beam shape and spot quality without optical realignment or swaps.

Using sapphire with an a-plane incident surface improves laser polarization ratio while keeping the light-emitting structure compact.

A diffraction grating splits most combined beam power to output and a residual beam to feedback, improving wavelength stability and coupling efficiency.

By placing the UV LED farther from the laser-excited phosphor source, this layout limits heat-driven UV loss while combining multiwavelength light.

A radiating body and reflected lateral laser path improve heat release from laser elements and the wavelength converter, extending light source life.