Endomicroscopy - Biomedical Optical Imaging Technologies: Design and Applications - page 276

Tabl e 8. 6 Summary of parameters of selected miniature objectives used for endomicroscopy
NA FOV (m) WD (m) OD (mm) (nm) Technology Application

1[ 59 ] 1.0W 250 450 7 1,064 Glass spherical lenses/grinding and

polishing

Confocal reflectance

2[ 48 ] 0.46 450 0-200 3 480-660 Glass spherical lenses/grinding and

polishing

Confocal fluorescence

3[ 20 ] 1.0W 250 450 8 1,064 Plastic injection molding Confocal reflectance

4[ 34 ] 1.0W 250 450 3.9 810 Diamond cutting and

self-assembly mounts

Confocal reflectance

5[ 54 ] 0.5 120 650 2.2 (clear

aperture)

810 - 2-Photon, second-harmonic

6[ 60 ] 0.4 250 200 1.3 800 Plastic diamond turning or

injection molding. Self-assembly
mounts

2-Photon and fluorescence
versions

7[ 14 ] 0.35 475 x 475 NA imaging up

to 80 m

3.0 800 - 2-Photon