Laser Details TRIZ Cases
- Splitter Waveguide for Active Alignment in HAMR Sliders
A splitter waveguide couples light from a delivery waveguide to enable active alignment of the light source on a slider.
- Single Transmission Grating Pulse Stretcher for CPA Systems
Iterative adjustment of the stretcher incidence angle and compressor spacing optimizes group delay dispersion without requiring beam-steering realignment.
- Plasmonic Nanostructures for Vacuum Photon Emission
Gain-coupled plasmonic structures amplify vacuum fluctuations into measurable signals, overcoming background radiation interference.
- Test Apparatus Controller for Consistent Measurement Accuracy
Controller directs switch section to connect test target to specific measuring device, resolving inconsistency from multiple measurement units.
- VCSEL Miniarray Aperture Coupling for 70 GHz Bandwidth
Optically coupled VCSEL miniarray stabilizes single coherent mode through selective oxide confinement and aperture sizing.
- Semiconductor Radiation Source Planar Capacitor Integration
Stacking a ridge waveguide laser on a capacitor body eliminates bond wires to minimize inductance and improve pulse rise times.
- GaN Laser Diode Underwater Optical Communication
Blue-green lasers and OFDM modulation achieve 4.8 Gbps rates while mitigating scattering-induced bit errors in turbid water.
- Laser Driver Circuit for Electro-Optical Distance Measuring Devices
An inductive component and electronic switching limit laser power without monitor diodes, reducing electromagnetic interference and circuit complexity.
- Photodiode Sub-mount Wavelength Alignment for Laser Module Stability
A sub-mount photodiode aligns peak sensitivity with emission wavelengths to stabilize photocurrent generation.
- Parametric Mixer Frequency Comb Generation
Phase-correlated seeding reduces residual frequency noise and improves coherence stability in spectroscopy.
- VCSEL Driver Circuit Reducing Power Dissipation via Dynamic Switching
A VCSEL driver circuit uses an NPN differential amplifier to superimpose modulation current onto a control signal for efficient laser operation.
- Laser Oscillator Blower Speed Estimation via Pressure
A laser oscillator estimates blower rotation speed using a manometer to measure medium pressure.
- SWIR Laser Illuminator for Vision Enhancement
A SWIR laser illuminator creates a Gaussian distribution illumination field using beam shaping diffusers and collimators.
- Semiconductor Laser Heat Dissipation via Mounting Body Spacing
A semiconductor laser device uses a spaced mounting body to ensure stable heat dissipation.
- Multimode Fiber Phase Control for Beam Quality
Phase control actuators induce localized refractive index changes within multimode fibers to shift higher modes into lower modes.
- Laser Cooler Dew Prevention via Sensor Current Control
A laser device controller adjusts humidity sensor current to prevent cooler dew formation.
- Wavelength-Tunable Laser Testing via Gain Discontinuity Detection
A wavelength-tunable laser testing method detects gain condition discontinuities to determine stable operating points.