Active Medium Shape And Construction TRIZ Cases

A slit holding body widens laser medium contact to improve heat conduction while relieving stress that causes birefringence.

A 1.9 μm laser with time, power, and spot-size control enables precise fusion welding while limiting thermal effects and improving absorption.

Different thermal conductivity sections along a coiled gain fiber create temperature gradients that suppress SBS and support higher amplifier power.

A folded coaxial resonator and channeled ceramic insert shorten laser structure while preserving beam quality and 60 W output.

Pre-chirped spectral shaping and fixed-chirp compression enable sub-3 ps fibre laser pulses with tunable energy and stable beam quality.

Coupling pump wavelength and repetition rate preserves pump-seed overlap for fast wide-range tuning without mechanical delay lines.

A Kerr medium passively blocks high-peak-power SBS spikes between fiber gain stages, protecting optics without active control delays.

Edge clamping with CTE-matched mounts cools a high-power laser gain medium uniformly, reducing thermal lensing and birefringence.

A cladding notch releases process light into a collection fiber, enabling compact multi-wavelength sensing without bulky cutting head sensors.

Mapped attenuation spectra let an EDFA adjust gain through a dynamic gain equalizer while avoiding excess VOA loss, noise rise, and pump inefficiency.

An OSC modulator inside the laser cavity tunes polarization for high-energy, narrow pulses at high repetition rates with lower complexity.

A passive double pass through one chirped fiber Bragg grating extends pulse stretching for higher-energy amplification with lower distortion.

A White multipass cell boosts gain-medium absorption while keeping large beam cross-sections to limit optical damage and nonlinear effects.

A resonator polarizer and waveplate produce linearly polarized fiber-laser output without PM fibers, easing splicing and enabling frequency conversion.

Multiple matched filters detect target obliquity from reflected pulse shapes, enabling LiDAR frame alignment after tilt with low-latency sensing.

A graphene saturable absorber and tapered-fiber ring resonator filter modes to raise passive fiber laser repetition rates from MHz to GHz.

A polymer-filled annular mount conducts heat from small laser rods while absorbing thermal expansion, avoiding water cooling and crystal stress.

A fast intensity modulator and corrected electrical signal suppress chirped-pulse spectral ripples to preserve pulse energy and peak power.

Regulating parts on the holder and source bases simplify light-source replacement while keeping precise alignment and uniform laser excitation.

Multiple single-mode fiber cores in a shared cladding raise pump-to-signal conversion while limiting Raman scattering and amplifier heating.