Table 2.

Summary of optical requirements.

Optical requirements
Requirement	Specification
Forward viewing reflectance
FOV	25 to 60 Degrees
Working Distance	5–20 mm
Resolution	50 μm @ 5 mm WD
Imaging speed	> 30 fps
Illumination wavelength	400–700 nm
Optical coherence microscopy
FOV	≥100 μm
Focal Distance	50 μm
Lateral resolution	≤ 2 μm
Axial resolution	≤ 10 μm
Imaging speed	> 30 fps
Illumination wavelength	1300 nm
Multiphoton microscopy
FOV	>100 μm
Working Distance	50 μm
Lateral resolution	≤ 2 μm
Imaging speed	> 30 fps
Illumination wavelength	≥1200 nm and ≤ 1500 nm