IntraAction ATM Series Acousto-Optic Modulator

Optical Wavelength Range¹

440 nm to 700 nm

Acousto-optic Material

Tellurium Dioxide (TeO2)

Sound Velocity

4260 m/sec (longitudinal)

Input Impedance

50 ohms

Input VSWR

<1.3:1 at center frequency

Static Optical Insertion Loss

4%

Size (less SMA connector)

2.00 D X 0.63 H X 0.9 W inches

5.08 D X 1.60 H X 2.28 W cm

MODEL

ATM-80A1

ATM-125B1

ATM-200C1

Center Frequency

80 MHz

125 MHz

200 MHz

Active Aperture Height

1 mm

0.6 mm

0.3 mm

Beam Separation (633 nm)

11.9 mrad

18.6 mrad

29.7 mrad

Diffraction Efficiency

85%

80%

70%

RF Drive Power² (633 nm)

700 mW

800 mW

900 mW

RF Drive Power² (514 nm)

500 mW

550 mW

600 mW

Optical Rise Time (beam diameter)

31 ns (0.2 mm)

77 ns (0.5 mm)

20 ns (0.13 mm)

38 ns (0.25 mm)

9.2 ns (0.06 mm)

15.5 ns (0.1 mm)

Modulation Frequency (-3 db)

15.8 MHz (0.2 mm)

6.3 MHz (0.5 mm)

24.5 MHz (0.13 mm)

12.8 MHz (0.25 mm)

50 MHz (0.06 mm)

30 MHz (0.1 mm)