Manual Variable Optical Delay Line
Variable Optical Delay Line provides precision optical path variation of more than 300 ps. The compact, rugged design makes the device ideal for integration in network equipment, test instruments, and optical for integration in network equipment, test instruments, and optical coherence tomography (OCT) systems for precision optical path length or timing alignment.
Key Features | Applications |
lCompact | lOptical Coherence Tomography (OCT) |
lHigh Resolution | lOptical Fourier Spectrum Analysis |
lLow Insertion Loss | lOptical Interferometry |
lHigh Stability | lDelay Generation and Measurement |
lLong Delay: up to 1200 ps | lOptical Time Division Multiplexing (OTDM) |
Specifications (300 - 1200 ps)
Parameter | Unit | Value | ||
Center Wavelength (λc) | nm | 1060, 1310 or 1550 | ||
Operation Wavelength | nm | λc ± 50 | ||
Optical Delay Range | ps | 300 | 600 | 1200 |
Zero Point Delay Offset** | ps | ≈ 440 | ||
Readout Scale Resolution | mm | 0.02 | ||
Max. Insertion Loss | dB | 1.0 | 1.2 | 1.8 |
Max. Insertion Loss Variation | dB | 0.2 | 0.5 | 0.6 |
Max. PDL | dB | 0.1 | ||
Min. Extinction Ratio (for PM Model) | dB | 20 | ||
Min. Return Loss | dB | 50 | ||
Max. Optical Power Handling (Continuous Wave) | mW | 300 | ||
Operating Temperature | °C | -5 to +70 | ||
Storage Temperature | °C | -40 to +85 | ||
Fiber Type | - | Singlemode or PM Panda Fiber | ||
* Above specifications are measured at center wavelength without connector. For devices with connectors, IL increases by 0.5 dB, RL decreases by 5 dB, ER decreases by 2 dB.
**Absolute delay at 0 ps setting measured to the edge of the enclosure (excluding caps, boots, and pigtails).
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