Semiconductor Laser Arrangements TRIZ Cases

A stepped mounting base puts the submount front face in thermal contact to improve semiconductor laser heat flow, alignment, and reliability.

Integrated optical conveyance paths and ferrule alignment connect laser, photonics, and amplifier chips in a compact low-energy module.

Oblique lens portions with different end-face pitches guide and condense multiple beams, simplifying beam coupling while shrinking laser optics.

Prism-based beam shaping aligns and reshapes the laser profile in a flow cell to prevent particle double-counting and improve signal reliability.

Stacked conductor layers with dielectric isolation route interspersed VCSEL groups to pads, enabling dense structured illumination patterns.

Pedestal-mounted RGB lasers in a compact housing improve alignment, limit optical interaction, and dissipate heat for AR glasses.

A three-diode 780-808 nm laser with glass tip cooling raises power and tissue penetration to support cellular regeneration in acute and chronic lesions.

Detachable support plates and fixing members let faulty laser light source units be swapped quickly without replacing the full device.

A waveplate aligns polarization from multiple semiconductor lasers to limit beam divergence and improve optical efficiency in compact light sources.

A second chip-level optoelectronic device supplies controllable heat to stabilize laser temperature, wavelength, and intensity while saving die area.

A monocentric hemispherical cover protects the scan mirror while cutting Fresnel losses and reflections across a wider lidar scan angle.

Segmented 3D cooling channels and lens-array imaging help tightly packed VCSEL arrays reach high DPI while limiting thermal crosstalk.

A tunable resonant circuit creates synchronized short high-current laser pulses from low input voltage, avoiding costly GaN switching.

Independent PWM and enable control for RGB laser chips adjusts lighted periods to maintain image brightness while cutting power waste.

An integral ceramic substrate and protruding base remove joint-material interfaces, cutting thermal resistance and improving heat dissipation.

A lens array and optical path changing member raise beam occupancy and narrow the condensing angle to form a high-output multiplexed beam.

Parallel SOAs and a U-turn waveguide chip split and redirect amplified light to replace bulky optics and moving parts in FMCW LiDAR.

Strategic openings in upper or lower wirings create air gaps that cut parasitic capacitance while preserving current flow in stacked semiconductor structures.

Dummy outer lenses balance etch loading across a semiconductor lens array, improving curvature uniformity and functional lens quality.

Dual adhesives place UV curing and light-resistant thermal bonding near the optical member inlet to keep laser package alignment stable over time.

Integrated spare lasers, couplers, and amplifier arrays keep optical bandwidth available when one laser fails in dense optoelectronic chips.

Pixelated structured phosphors with reflective boundary walls confine emitted light, reducing crosstalk and improving projection color accuracy.

A split submount wiring layout keeps the protective element within 0-170 μm of the laser, shrinking mounting area without unintended contact.

Segmented glass cap bonding improves light-window flatness for laser diodes, boosting transmission and reducing stray light.

Multiple single-mode seed lasers with feedback tuning narrow excimer linewidth, control center wavelength, and suppress SBS.

A low-thermal-conductivity supporting member limits substrate heat during bonding, enabling accurate optical alignment in laser light sources.

Interleaved emitter and reflector rows shrink beam combiner footprint while easing alignment, heat dissipation, and fiber coupling.

Integrated optical routing in a silicon interposer links laser, photonics, and amplifier chips to cut module size and energy use.

Different drive currents for longer and shorter optical paths cut fiber coupling loss while preserving laser beam brightness.

Multiple Pound-Drever-Hall loops on one semiconductor substrate enable compact laser frequency locking with independent control and backup operation.

A DBR multi-mode laser with electro-absorption and phase tuning generates stable tunable RF beat-notes with much lower phase noise.

Conductive microchannel coolers replace insulated interfaces, enabling higher current supply, stronger heat dissipation, and more compact diode laser stacks.

An integral ceramic substrate and base remove solder thermal interfaces, improving heat flow from the light emitting element and package reliability.

Segmented conduction parts and aligned metal films improve RGB laser bonding, current distribution, heat dissipation, and compact mounting.

Per-laser optical power detection and control-signal mapping equalize LiDAR beam output, improving point cloud consistency and detection accuracy.

A low-resistance layer keeps thyristor current flowing laterally to prevent electrical separation, uneven emission, and extra electrodes.

A single optical fiber and collimation unit combine multiple laser wavelengths into parallel coaxial beams while cutting optical size, weight, and cost.

Mechanical stress from a piezoelectric actuator tunes VCSEL emission wavelength, enabling distinct channels for reliable optical multiplexing.

Sealed gas circulation with adsorbents lowers siloxane exposure in laser cavities, reducing emitter degradation and stabilizing output.

Rear-surface leaked light is reflected or focused onto a detector to catch laser diode bar degradation and emitter defects early.

Optical members combine light from multiple emitters while separate photodetectors track each source intensity for tighter output control.