8 Result(s)
within
Naresh Kumar Ravichandran
-
Article
Open AccessLabel-free photothermal optical coherence microscopy to locate desired regions of interest in multiphoton imaging of volumetric specimens
Biochip-based research is currently evolving into a three-dimensional and large-scale basis similar to the in vivo microenvironment. For the long-term live and high-resolution imaging in these specimens, nonli...
-
Article
Open AccessOn-field optical imaging data for the pre-identification and estimation of leaf deformities
Visually nonidentifiable pathological symptoms at an early stage are a major limitation in agricultural plantations. Thickness reduction in palisade parenchyma (PP) and spongy parenchyma (SP) layers is one of ...
-
Article
Open AccessMicron-scale human enamel layer characterization after orthodontic bracket debonding by intensity-based layer segmentation in optical coherence tomography images
In clinical orthodontic practice, fixed brackets are widely used for tooth movement and adjustments. Although years of research and development have improved the workability of fixed orthodontic brackets, ther...
-
Article
Open Access3-Dimensional characterization of cortical bone microdamage following placement of orthodontic microimplants using Optical Coherence Tomography
Microimplants are being used extensively in clinical practice to achieve absolute anchorage. Success of microimplant mainly depend on its primary stability onto the cortical bone surface and the associated Mic...
-
Article
Assessment of cortical bone microdamage following insertion of microimplants using optical coherence tomography: a preliminary study
The study was done to evaluate the efficacy of optical coherence tomography (OCT), to detect and analyze the microdamage occurring around the microimplant immediately following its placement, and to compare th...
-
Article
Open AccessBiophotonic approach for the characterization of initial bitter-rot progression on apple specimens using optical coherence tomography assessments
The tremendous advances achieved in the biophotonics technologies have intensified the necessity for non-invasive modalities that can characterize diverse biological materials with increased sensitivity and re...
-
Article
Dual-path handheld system for cornea and retina imaging using optical coherence tomography
A dual-path handheld system is proposed for cornea and retina imaging using spectral domain optical coherence tomography. The handheld sample arm is designed to acquire two images simultaneously. Both eyes of ...
-
Article
Bio-photonic detection method for morphological analysis of anthracnose disease and physiological disorders of Diospyros kaki
The pathological and physiological defects in various types of fruits lead to large amounts of economical waste. It is well recognized that internal fruit defects due to pathological infections and physiologic...
