Table 1 Imaging performance of different scanning mechanisms for high-speed PAM

From: High speed innovations in photoacoustic microscopy

Scanning mechanisms

Scanning speed

Scanning range

Lateral Resolution

Pixel Number

Ref.

Laser PRF

Bscan

C-scan

Voice-coil

4 kHz

20 Hz

40 Hz

-

9 mm

1 mm

3.4 μm

–

19

Galvanometer

50 kHz

250 Hz

0.5 Hz

4 × 8 mm2

6 μm

200 × 500

23

500 kHz

500 Hz

2.5 Hz

2.4 mm

7.5 μm

500

24

1-axis MEMS

100 kHz

400 Hz

0.8 Hz

2 × 5 mm2

2.4 μm

–

26

2-axis MEMS

50-kHz

35 Hz

0.05 Hz

2 × 2 mm2

12 μm

700 × 700

28

Polygon scanner

600 kHz

900 Hz

1/16 Hz

12 × 20 mm2

8.8 µm

 

30

800 kHz

1 kHz

2 Hz

11 × 7.5 mm2

10 μm

250 × 250

63

  1. Note: “-” indicates information not available
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