Infrared and Laser Engineering, Volume. 54, Issue 3, 20240399(2025)
Ultrawide-angle fundus autofluorescence imaging in rats
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Fig. 1. Optical principle diagram of ultrawide-angle fundus autofluorescence imaging system
Fig. 3. (a) Schematic diagram of illumination light path; (b) Illumination spot diagram; (c) MTF diagram of illumination; (d) Distortion diagram of illumination system
Fig. 8. (a) Display diagram of resolution measurement process; (b) Resolution board real image
Fig. 9. (a) Simulated eye real image; (b) Diagram of the relationship between signal-to-noise ratio and the number of superimposed images in simulated eye autofluorescence images
Fig. 10. (a) Image of guiding anesthesia SD rats; (b) Preparation image of SD rat experimental imaging; (c) Single fundus autofluorescence image of SD rats; (c) Images of SD rats overlaid with three fundus autofluorescence images
Table 1. Main indicators of galvanometer
View tableView in ArticleTable 1. Main indicators of galvanometer
Device parameters TSH8618 CRS 4 kHz Scan angle/(°) ±20 ±13 Mirror size/mm 23.5×16 12.7×12.7 Clear aperture/mm 19×10 12×9.25
Table 2. Field of view data
View tableView in ArticleTable 2. Field of view data
Number Horizontal/(°) Vertical/(°) 1 89.71 90.29 2 91.41 92.52 3 90.00 91.69 Average 90.38 91.50
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Ziyang ZHANG, Yunshuai MI, Lin JI, Yun XIAO, Wei XIA, Yulong LIU, Yunhai ZHANG. Ultrawide-angle fundus autofluorescence imaging in rats[J]. Infrared and Laser Engineering, 2025, 54(3): 20240399
Paper Information
Category: Biology, medical optics and photonics
Received: Sep. 10, 2024
Accepted: --
Published Online: Apr. 8, 2025
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