Low-spatial-coherence high-radiance broadband fiber source for speckle free imaging.
Redding B, Ahmadi P, Mokan V, Seifert M, Choma MA, Cao H. Low-spatial-coherence high-radiance broadband fiber source for speckle free imaging. Optics Letters 2015, 40: 4607-10. PMID: 26469575, DOI: 10.1364/ol.40.004607.Peer-Reviewed Original ResearchConceptsFiber ASE sourceFull-field imagingLow temporal coherenceASE sourceHigh powerSpeckle-free imagingContinuous wave emissionLow spatial coherenceSpontaneous emission sourceHalf-maximum bandwidthCore multimode fiberTemporal coherenceOptical feedbackWave emissionMultimode fiberSpatial modesFull widthFree imagingSpatial coherenceSpectral compoundingSpeckle suppressionEmission sourcesCoherenceEmissionFiber sourceLow spatial coherence electrically pumped semiconductor laser for speckle-free full-field imaging
Redding B, Cerjan A, Huang X, Lee ML, Stone AD, Choma MA, Cao H. Low spatial coherence electrically pumped semiconductor laser for speckle-free full-field imaging. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 1304-1309. PMID: 25605946, PMCID: PMC4321308, DOI: 10.1073/pnas.1419672112.Peer-Reviewed Original ResearchConceptsLow spatial coherenceFull-field imagingLight-emitting diodesSpatial coherenceSemiconductor lasersLaser sourceLight sourceConventional laser sourcesThermal light sourceIncoherent light sourceHigh spectral radianceIndependent spatial modesCavity laserLaser resonatorCoherent artifactsSample illuminationSpatial modesProjection applicationsIllumination sourceLaserEmitting diodesOrders of magnitudeSpectral radianceThermal sourceHigh power