SKU: VOAD
The VOAD series variable optical attenuators feature direct drive by a function generator having bandwidth up to 1.5 kHz, providing attenuation up to >30 dB. It is a convenient tool for laboratory use. Driving voltages of 0 to 8 V control optical transmission without polarity, which decreases with applied voltage with modulation up to 1.5 kHz. Most voltage sources, including power supplies, function generators, and digital-to-analog converters (DACs), can be used to control these electronic VOAs. The MEMS VOA is an electrostatic device that requires little current. However, the device can be damaged by applying a voltage over 15 V. The VOA is optically bidirectional.
Single-Mode Selection
| Fiber Type | SM460 |
SM600 | 780HP | Hi1060 | SM28 |
| Wavelength Range (nm) | 480-650 | 620-650 | 760–980 | 980–1250 | 1250–1650 |
| Insertion Loss (dB) | < 5 | < 3 | ≤ 2 | ≤ 2 | ≤ 1.5 |
| Maximum Attenuation (dB) | > 30 | > 30 | > 30 | > 30 | > 30 |
| Max Optical Power (W) | 0.05 | 0.1 | 0.1 | 0.2 | 0.3 |
| Polarization DL | 0.4 dB @ 20 dB | 0.3 dB @ 20 dB | 0.3 dB @ 20 dB | 0.2 dB @ 20 dB | 0.2 dB @ 20 dB |
| Return Loss (dB) | ≥ 45 | ≥ 45 | ≥ 45 | ≥ 45 | ≥ 45 |
| Operating Temperature | 0 to 50°C | 0 to 50°C | 0 to 50°C | 0 to 50°C | 0 to 50°C |
| Storage Temperature | -50 to 85°C | -50 to 85°C | -50 to 85°C | -50 to 85°C | -50 to 85°C |
| Price | $𝟩𝟫𝟢 | $𝟦𝟥𝟢 | $𝟦𝟤𝟢 | $𝟥𝟫𝟢 | $𝟥𝟪𝟢 |
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Polarization-Mode Selection
| Fiber Type | PM460 |
PM630 |
PM780 | PM980 | PM1550 |
| Wavelength Range (nm) | 460-700 | 620-650 | 760–1100 | 960–1200 | 1260–1650 |
| Insertion Loss (dB) | < 5 | < 3 | ≤ 2 | ≤ 2 | ≤ 1 |
| Maximum Attenuation (dB) | > 30 | > 30 | > 35 | > 35 | > 35 |
| Extinction Ratio (dB) | > 16 | > 16 | > 16 | > 16 | > 18 |
| Return Loss (dB) | ≥ 35 | ≥ 35 | ≥ 35 | ≥ 35 | ≥ 35 |
| Max Power (mW) | 50 | 100 | 100 | 100 | 300 |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -50 to 90°C | -50 to 90°C | -50 to 90°C | -50 to 90°C | -50 to 90°C |
| Price | $𝟫𝟫𝟢 | $𝟩𝟥𝟢 | $𝟩𝟣𝟢 | $𝟨𝟧𝟢 | $𝟧𝟨𝟢 |
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Multi-Mode Selection
| Fiber Type | 62.5/125 |
| Wavelength Range (nm) |
800–1600 |
| Insertion Loss (dB) |
≤ 1 |
| Maximum Attenuation (dB) |
30 |
| PDL (dB) |
0.01 |
| Return Loss (dB) |
≥ 35 |
| Max Optical Power (W) |
0.3 |
| Operating Temperature | 0 to 50°C |
| Storage Temperature | -40 to 85°C |
| Price | $𝟧𝟪𝟢 |
| Datasheet | |
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