In Vivo Noninvasive Imaging of Healthy Lower Lip Mucosa: A Correlation Study between High-Definition Optical Coherence Tomography, Reflectance Confocal Microscopy, and Histology

Table 2

Technical data on swept source-optical coherence tomography, high definition-optical coherence tomography, and reflectance confocal microscopy.

Technical data	SS-OCT; Vivo Sight	HD-OCT; Skintell	RCM; VivaScope 1500
Light source	Santec HSL-2000-12-MDL	Halogen lamp with Gaussian filter	Diode laser
Wavelength	1310 nm	1300 nm	830 nm
Lateral resolution	<7.5 𝜇m	3 𝜇m	0.5 to 1.0 𝜇m
Axial resolution	<5 𝜇m	3 𝜇m	4 to 5 𝜇m
Penetration depth	1200 to 2000 𝜇m	570 𝜇m	200–300 𝜇m
Field of view (en-face)	6 × 6 mm	1.8 × 1.5 mm	0.5 × 0.5 mm; 8 mm × 8 mm VivaStack
3D Imaging	Yes	Yes	No

nm: nanometre; 𝜇m: micrometre; mm: millimetre.