wavelength label signals are wavelength label signals transmitted by loading a wavelength label frequency, and the maximum different value between the amplitude values of the wavelength label signals corresponding to the N time windows is smaller than a preset amplitude threshold value, and none of ...
A microelectromechanical system (MEMS)-based swept source light source (AXP50124-8, Axun Technologies, MA) with a central wavelength of 1.31 µm and a scanning speed of 50,000 A-lines/s was used. A scan lens (LSM03, Thorlabs Inc., NJ) with an effective focal length of 36 mm was...
In particular, for weak oscillators such as the vibrational modes probed here, the phase of the backscattered light is proportional to the attenuation term of the complex refractive index and is thus also proportional to the far-field absorption coefficient at the particular imaging wavelength19. ...
whereσandϕare the dry mass and the phase, respectively, at the location defined by thexandycoordinates,λis the wavelength of the illumination (here chosen as the average wavelength of our white-light source), andαis the refractive increment, treated as a constant value of 0.19 µm3...
Just like water waves, light waves of a specific wavelength have two principal characteristics: amplitude and phase. Amplitude corresponds to light intensity and is the height of the wave, measured from crest to trough. Phase describes whether a wave is currently at its crest, in its trough, ...
·ml−1AO for 20 min and observed red-fluorescent speckled structures under basal conditions indicating lysosomal integrity (Fig.5b, upper panel). After 5 min exposure to light of 475 nm wavelength the red spots faint and finally disappear. This process is paralleled by an increase in...
enables precise measurements of the phase information of a test object from the captured holograms and enhances the quality of reconstructed images. Multi-wavelength DIHM systems are utilized to extract multiple single-wavelength holograms from one single-shot hologram [61,62,63,64]. These extracted ...
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Resolution estimate. The optical resolution limit derived by Abbe17, defined by the wavelength λ and the NA of the lens, was originally derived for gratings. A one-dimensional grating illuminated coherently under the angle β reduces the to NA + n ∙ sin(β)27. resolvable ...
Photoacoustic microscopy is a hybrid imaging technology based on the conversion of absorbed light into ultrasound emission. A single-wavelength pulse-width-based method allows fast functional imaging of the brain. We present fast functional photoacoustic