Operating parameter

Value and unit

Interaction length (L)

L = 3 cm

Modulator height (H)

H = 4 cm

Laser beam diameter (D)

D = 1 mm

Acoustic power (Pa)

0.5 watt ≤ Pa ≤ 2.5 watt

Focal length (F)

F = 3 mm

Operating signal laser wave length (λ)

λ = 1.6 μm

Room temperature (T0)

T0 = 300 K

Ambient temperature (T)

300 K ≤T ≤ 340 K

LiNbO3

Lithium niobate

Based AOM device

Material density

ρ = 4644

Refractive index

n = 2.2

Acoustic velocity

va = 6.6 * 103 m/sec

Figure of merit

M2 = 7 cm2/sec

Attenuation

α = 0.15 dB/GHZ.cm

SiO2

Fused silica

Based AOM device

Material density

ρ = 5606

Refractive index

n = 1.46

Acoustic velocity

va = 5.96 * 103 m/sec

Figure of merit

M2 = 1.5 cm2/sec

Attenuation

α = 6.45 dB/GHZ.cm

TeO2

Tellurium dioxide

Based AOM device

Material density

ρ = 4260

Refractive index

n = 2.25

Acoustic velocity

va = 4.26* 103

Figure of merit

M2 = 34

Attenuation

α = 4.75 dB/GHZ.cm

Ge

Germanium

Based AOM device

Material density

ρ = 5323 kg/m3

Refractive index

n = 4

Acoustic velocity

va = 5.5 * 103

Figure of merit

M2 = 180

Attenuation

α = 10.5 dB/GHZ.cm