A transmissive beam-deflecting element corrects fast-axis angle mismatch so stacked laser beams stay parallel for bright fiber coupling.
Sub-lenses correct emitter position offsets in a laser lens array, improving beam alignment, diameter uniformity, and diverging angle control.
Selecting BK7 and synthetic quartz lenses by energy gap suppresses two-photon absorption and keeps fiber coupling stable over time.
A single-substrate laser array and multiplexer enables individual source control while reducing external driver circuits, cost, and footprint.
Projections on the plate keep laser diode bars and dummy bars aligned during insulation film formation, even as the jig wears.
Environmental monitoring and program updates help stabilize laser output power and protect processing accuracy from temperature and humidity shifts.
Non-parallel bonding wires reduce electromagnetic coupling between adjacent emission units, suppressing unintended laser emission.
Non-uniform LiDAR beam spacing, timing, and power improve close-range resolution while cutting sensor power use and processing load.
A common submount layout for different semiconductor laser lengths reduces emission position deviation and simplifies optical design.
Spacer-based laser stacking replaces bulky alignment optics, simplifying manufacture while enabling precise beam positioning in compact AR glasses.
Crosstalk calibration matrices separate multi-wavelength backlight signals, improving TOSA power detection without extra light-blocking elements.
Dense VCSEL emitters on a flexible conductive probe improve spatial sound coding while cutting heat and supporting chronic biocompatible use.
Optimized lens spacing and curvature reduce source-lens misalignment from slight rotation, keeping emitted light intensity distribution stable.
Mirror redirection and lens focusing correct beam path deviations from multiple semiconductor lasers before coupling combined light into an optical fiber.
An embedded optical fiber delivers UV light through the vacuum collet to cure epoxy uniformly while preserving lens alignment in multi-channel modules.
A stacked laser driver layout shortens current paths to cut parasitic inductance and capacitance for nanosecond LiDAR pulse control.
Relay-assisted series wiring lets two-row LED arrays control multiple element groups independently while keeping emission patterns flexible.
A U-turn SOA array uses parallel gain regions and passive waveguides to cut coupling loss, simplify PIC routing, and suppress crosstalk.