Photometry TRIZ Cases
- Bolometer Infrared Sensor Electrode Layout for Lower Thermal Noise
A line-and-space electrode layout and phononic crystal beams raise bolometer infrared sensitivity by cutting thermal noise and heat loss.
- Angle-Cleaved Fiber-Tip Coupler for kW Laser Beam Sensing
An angle-cleaved fiber-tip coupler enables in-situ monitoring of kW laser power and polarization without beam perturbation or high insertion loss.
- Optical Fingerprint Sensor Structure for Low Leakage Current
A self-assembled monolayer and insulating structure cut PIN diode leakage noise, improving in-display fingerprint sensing accuracy.
- Dielectric Optical Component for Wavelength-Selective CMOS Sensing
Constructive interference in a dielectric layer boosts selected-wavelength absorption in CMOS pixels while avoiding complex filter fabrication.
- Graphene Wave Detector With Rare Earth Oxide Sensitization
A rare earth oxide layer creates an internal electric field that boosts graphene detector sensitivity while preserving broad wavelength coverage.
- Electromagnetic Wave Detector with Tunable Graphene Schottky Barrier
A control electrode tunes the graphene Fermi level to stabilize Schottky barrier formation and improve electromagnetic wave detection.
- SPAD Pixel Structure for Lower Hole Resistance and Higher Quantum Efficiency
A trench, pinning layer, and hole accumulation layer cut hole current resistance while raising SPAD quantum efficiency for ToF sensing.
- Wearable Welding Imaging With Adaptive Focus Under Arc Glare
Adaptive focus switching and light sensing keep welding images clear and stable under arc glare, improving real-time guidance without lifting the helmet.
- Wearable Welding Imaging With Adaptive Focus Switching
Adaptive focus switching stabilizes wearable welding images under intense arc light, improving visibility, precision, and eye protection.
- Laser Process Sensor with Wavelength-Split Error Detection
Beam splitting into separate visible wavelength bands reveals laser machining errors that broadband photodiodes can miss.
- Planar Pulse Duration Measurement Without Laser Beam Branching
A planar optical layout measures pulsed laser duration directly on the processing table, avoiding beam branching and lengthy setup.
- Rotatable Laser Profile Measurement for SLM Edge Accuracy
A rotatable, cooled laser profile setup aligns with beam direction to measure SLM center and edge regions more accurately.
- Welding Laser Power Detection Using Stable-Range Sampling
Stable-range power sampling filters ramp-up and ramp-down noise to improve welding laser power detection and flag abnormal output early.
- Multi-Optical Axis Sensor With Integrated Muting State Indication
Built-in light sources switch from blockage display to muting indication, removing external indicator wiring and improving recognition accuracy.
- Camera-Based Display Brightness Control Without Illuminance Sensors
Camera exposure data is used to estimate ambient light and adjust display brightness, reducing glare without a separate illuminance sensor.
- Beam Focus Detection Using Contrast-Modulated Sample Beams
Contrast-modulated beam sampling tracks axial focal shifts despite thermal and contamination effects, improving laser processing control.