Optical Delay Line

The General Photonics VDL-001 is a manually controlled variable optical delay line. Multiple versions are available with path length of up to 1200 picoseconds. A low insertion loss and low variation of insertion loss is critical for most applications and the VDL-001 has less than ±1 dB variation even up to 1200 picoseconds. The delay line is packaged in a small aluminum box to prevent dust or noxious vapors from contaminating the optical path.
Delay is shown on the readout on the side (see below).
Optical Coherence Tomography (OCT) systems
Passive time division multiplexing
TDM bit alignment
Fiber interferometers

Key Features
• Highest delay to length ratio
• Optical delay up to 1200 ps
• Low insertion loss variation

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