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声光偏转器可以用来扫描激光束。这是通过改变射频驱动频率实现的。随机位置、连续线扫描和顺序点偏移都是可能的。根据晶体、波长和光束大小,可以获得超过250KHz的扫描速率。
最佳效率要求输入激光束设置在布拉格角,这是驱动频率的函数。当扫掠扫描激光束时,由于AOD只能在一个驱动频率下进行光学对准,因此会产生布拉格角失配。一般来说,这将根据扫描范围降低效率。可以使用以下几种技术来尽量减少这种影响:
离轴声光偏转器(OAD)利用双折射晶体的非线性特性,将布拉格角频率灵敏度降到很低。
电子束引导声光偏转器(“-BS")根据射频驱动频率对晶体内的声柱进行电子引导。这就要求换能器上的相控阵电极是具有2或4个射频输入。
Model | A/R Coating | Material | Rayleigh Res'n 1 2 | Aperture (mm) | Sweep BW (MHz) | Center Freq. (MHz) | Suggested Driver | Feature |
D1155-T75S | 405nm | TeO2 (S) | 140 | 9 | 10 | 75 | Here | |
1206C-2-1002 | NUV, VIS | TeO2 | 100 | 2 x 9 | 50 | 110 | Here | |
D1340-aQ120-5 | UV | Quartz | 25 | 5 | 30 | 120 | iMS4 RFA0120-2-15 | |
D1384-aQ120-9 | UV | Quartz | 60 | 9 | 40 | 120 | iMS4 RFA0120-2-15 | |
D1340-XY-aQ120-5 | UV | Quartz | 25 x 25 | 5 x 5 | 30 | 120 | iMS4 RFA0120-4-15 | |
D1384-XY-aQ120-9 | UV | Quartz | 60 x 60 | 9 x 9 | 40 | 120 | iMS4 RFA0120-4-15 |
Model | A/R Coating | Material | Rayleigh Res'n 1 2 | Aperture (mm) | Sweep BW (MHz) | Center Freq. (MHz) | Suggested Driver | Feature |
1205C-2-804B | VIS | PbMoO4 | 66 | 2 x 6 | 30 | 80 | Here | |
LS55-V | VIS | TeO2 (S) | 450 | 2 x 7 | 40 | 80 | Here | |
LS110A-VIS | VIS | TeO2 (S) | 1100 | 4 x 14 | 50 | 100 | Here | |
LS110A-VIS-XY | VIS | TeO2 (S) | 750x750 | 9 x 9 | 50 | 100 | Here | Dual Axis |
OAD948 | 488nm | TeO2 (S) | 600 | 3 x 8 | 50 | 100 | Here | |
OAD1020 | 532nm | TeO2 (S) | 600 | 2 x 8 | 50 | 100 | Here | |
1206C-2-1002 | NUV, VIS | TeO2 | 77 | 2 x 8 | 50 | 110 | Here | |
OPP834 | VIS | PbMoO4 | 520 | 0.7 x 19 | 100 | 200 | Here | |
1250C-BS-960A | VIS | PbMoO4 | 160 | 1.5 x 6 | 120 | 190 | Here | |
D1365-aQ180 | 532nm | Quartz | 60 | 3 x 6 | 60 | 180 | RFA5180-4 | |
D1384-aQ110-7 | 515nm | Quartz | 25 | 7 | 30 | 110 | iMS4 RFA0110-2-20 | |
D1384-XY-aQ110-7 | 515nm | Quartz | 25 x 25 | 7 x 7 | 30 | 110 | RFA333-2 RFA0110-4-20 |
Model | A/R Coating | Material | Rayleigh Res'n 1 2 | Aperture (mm) | Sweep BW (MHz) | Center Freq. (MHz) | Driver | Feature |
OAD1550-XY | 1550nm | TeO2 (S) | 200 x 200 | 7 x 7 | 20 | 40 | Here | |
LS110A-NIR | NIR | TeO2 (S) | 550 | 4 x 14 | 25 | 50 | Here | |
LS110A-NIR-XY | NIR | TeO2 (S) | 240 x 240 | 6 x 6 | 25 | 50 | Here | |
1205C-x-804B | NIR | PbMoO4 | 66 | 2 x 6 | 40 | 80 | Here | |
OAD1343-XY | <820 | TeO2 (S) | 400 X 400 | 9 X 9 | 30 | 70 | Here | |
OAD1344-XY | >830 | TeO2 (S) | 400 X 400 | 9 X 9 | 30 | 70 | Here | |
LS55-NIR | NIR | TeO2 (S) | 450 | 2 x 7 | 40 | 80 | Here | |
D1312-T80L | NIR | TeO2 | 40 | 6 | 30 | 80 | Here | |
D1086-T110L | NIR | TeO2 | 95 | 3 x 8 | 50 | 110 | Here | Conduction cooled |
D1135-T110L | NIR | TeO2 | 95 | 3 x 8 | 50 | 110 | Here | |
1250-BS-926 | NIR | PbMoO4 | 60 | 0.5 x 3 | 70 | 145 | Here | |
1250C-2BS-943A | NIR | PbMoO4 | 190 | 2 x 6 | 120 | 185 | Here |
Model | A/R Coating | Material | Rayleigh Res'n 1 2 | Aperture (mm) | Sweep Bandwidth (MHz) | Center Freq. (MHz) | Suggested Driver |
1209-7BS-986 | IR | Ge | 50 | 7 x 14 | 20 | 40 | Here |
D1315-G50-H | IR | Ge | 70 | 7 x 20 | 20 | 50 | Here |
AOD650-H | IR | Ge | 100 | 7 x 30 | 20 | 50 | Here |
D1199-G50 | IR | Ge | 100 | 7 x 20 | 20 | 50 | Here |
D1208-XY-50-3 | IR | Ge | 10 x 10 | 3 x 3 | 40 | 70 | Here |
LS700-1011 | IR | Ge | 436 | 10 x 60 | 40 | 70 | Here |