Segmenting coherent laser radiation into non-overlapping partial beams eliminates interference fringes while maintaining high beam quality and brilliance.
A light source for atomic oscillators uses a separate absorption layer to control output intensity independently from the active layer.
An elastomeric cushioning layer absorbs thermal expansion forces from metal holders, preventing stress birefringence in calcium fluoride windows.
A radiation source control method selects periodic modulation frequencies to deliver precise energy doses across substrates.
A pulse stretcher splits and delays radiation beams to reduce coherence.
End and middle lenses enlarge light divergence angles differently to eliminate brightness differences between end and middle areas of the liquid crystal panel.
Stacked conductive layers in a tape electric line reduce voltage drop, enabling high-speed modulation despite cooler proximity constraints.
Vacuum transport prevents atmospheric contamination during plasma cleaning, ensuring strong dielectric film adhesion on laser facets.
A plasmonic up-converter apparatus uses nanofeature arrays to transform infrared radiation into visible light via Mie resonance.
Active voltage pulldown eliminates residual power consumption from slow decay, reducing thermal load and improving light production efficiency.
Double spectral filtering suppresses amplified spontaneous emission and boosts temporal contrast by multiple orders of magnitude for high-power lasers.
A light source device integrates a substrate, emitting elements, and a nonconductive frame body to form an enclosed housing space.
A type-I interband cascade laser uses tensile strained barriers and compressive quantum wells to confine carriers.
A laser system compresses femtosecond pulses using a multipath Fabry-Perot interferometer to correct spectral phase.
N-type current blocking layers ride over p-type cladding layers to constrain electrical current within the active region of an optical semiconductor device.
Chirped gratings compensate for temporal walk-off in nanophotonic waveguides, enabling extended interaction lengths and lower energy requirements.
Sensors detect magnetic noise to generate compensation signals that correct charged particle beam location errors caused by AC power supply interference.
Binary-controlled VCSEL arrays replace mechanical mirrors to eliminate scintillation and reduce energy consumption in laser display systems.
Post-assembly molding positions laser diodes for ridge waveguide coupling, eliminating costly active alignment procedures and reducing package size.
A nitride ceramic film structure integrates submount and heat block functions to discharge thermal energy from semiconductor laser light source devices.
A laser processing head uses a wavelength selection mirror to enable in-situ optical fiber inspection.
Shared excitation light routing reduces amplifier costs by dynamically allocating intensity across WDM paths without dedicated high-power sources.
Annealed alternating silicon and nickel layers form low-resistive ohmic contacts on n-doped InP substrates.
Atomic layer deposition applies a sub-nanometer silicon layer to prevent aluminum oxide degradation from humidity and heat.
A dielectric resonator structure generates uniform plasma via alternating polarization currents at its natural resonant frequency.
Replacing silicone resin with a columnar zinc oxide matrix reduces refractive index mismatch and minimizes light scattering in LED devices.
Adjusts a laser lens perpendicular to the beam axis before fixing it with solidifying flowable material, compensating for assembly fluctuations.
An extended sub-mount substrate relieves thermal stress and prevents solder climbing while diffusing heat to the heat sink.
A coupled-cavity VCSEL uses a passive cavity to increase photon lifetime and narrow the laser linewidth.
Applying external strain counteracts quantum confined Stark effect to improve internal quantum efficiency and enable normally off transistor operation.
Cascading a parametric amplifier with a frequency converter separates signal quadratures, eliminating complex coherent detection and reducing noise.
A polyphase diode driver distributes switching losses across multiple staggered phases to deliver constant current.
A laser processing apparatus divides a beam into sub-laser beams using a diffractive optical element and adjusts the gap between them.
Spliced multimode fiber converts single-mode input into multiple modes to produce non-diffracting beams.
A compact laser beam analysis apparatus uses parallel high reflecting mirror plates to attenuate and split the beam for real-time spatial profile measurement.
A reciprocating nozzle array with static mixer and filaments reduces application time while ensuring uniform color coverage.
Transparent die transmission simplifies assembly and alignment of photonic components, reducing complexity while improving heat management.
Electrically conductive vias pass through the substrate to provide ohmic contact with distributed Bragg reflectors.
A wavelength tunable laser diode uses a feedback unit to rotate light polarization and an optical attenuator to control power.
Selective ion implantation in the first spacer layer reduces parasitic resistance and capacitance while maintaining crystal quality.
Reactive ion etching forms precise scribe lines on laser submounts, eliminating active adjustment requirements and improving yield in HAMR manufacturing.
A femtosecond laser splits into target and reference beams to generate interference signals for precise thickness measurement.
Feedback control compensates for aging and temperature drift in laser diodes, maintaining consistent luminance and color balance.
Segmenting nanowires into emitting and non-emitting groups eliminates level differences, ensuring strong insulating adhesion and preventing leak currents.
Integrated light source and detector monitor optical element surface functionality within a compact holder assembly.
Symmetric frequency detuning rejects amplitude noise in optomechanical devices while preserving mechanical resonance sensitivity.
Dynamic thermal control aligns laser tube temperature with ambient levels, reducing energy consumption and start-up time while maintaining frequency stability.
A semiconductor external cavity laser integrates a planar waveguide Bragg grating and lithium niobate phase tuning section for wide-bandwidth frequency modulation.
Segmented thermal sensors eliminate cross-interference, reducing hardware complexity and data processing needs for accurate laser power measurement.