Table 2.
Marker | Actuation Method | FoM | Mirror Plate Dimensions | Resonant Angle θ0 | Resonant Frequency f0 (kHz) | Q | Ref. | |
---|---|---|---|---|---|---|---|---|
(°) | (rad) | |||||||
• | EM | 2.79 | D = 12 mm | 26 | 0.45 | 1.24 | 253 | [56] |
▼ | EM | 1.16 | 28.2 mm2 | 62 | 1.08 | 0.19 | 12 | [62] |
▲ | EM | 0.44 | D = 2 mm | 30 | 0.52 | 0.55 | 20 * | [63] |
■ | ES | 7.79 | D = 0.8 mm | 80 | 1.40 | 30.8 | 26800 | [60] |
▲ | ES | 6.48 | D = 1.0 mm | 45 | 0.79 | 38.5 | 49300 | [60] |
+ | ES | 3.38 | D = 0.55 mm | 25 | 0.44 | 34 | 273 | [64] |
• | ES | 3.33 | Ellipsoid, 2 mm × 4 mm2 | 180 | 3.14 | 1.5 | 10,000 * | [65] |
♦ | ES | 2.36 | D = 0.8 mm | 58 | 1.01 | 4.4 | 50 | [66] |
• | ET | 2.72 | 0.7 × 0.32 mm2 | 170 | 2.97 | 2.4 | 25 | [61] |
* The Q are estimated from similar designs. EM: Electromagnetic. ES: Electrostatic. ET: Electrothermal. PE: Piezoelectric. D: Diameter.