Measurement of Variations in Gas Refractive Index with 10<sup>–9</sup> Resolution Using Laser Speckle
Morgan Facchin, Graham D. Bruce, Kishan Dholakia
Abstract
. This is an improvement of 3 orders of magnitude when compared to previous speckle-based methods.
Topics & Concepts
Speckle patternOpticsRefractive indexLaserMaterials scienceImage resolutionSensitivity (control systems)Resolution (logic)PhysicsComputer scienceEngineeringElectronic engineeringArtificial intelligenceOptical Coherence Tomography ApplicationsAdvanced Fiber Optic SensorsPhotoacoustic and Ultrasonic Imaging