VDL-004 Fiber Optic Delay Line

Product number: SW11307

Manufacturer: General Photonics

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VDL-004 Fiber Optic Delay Line General Photonics Datasheet

Product information "VDL-004 Fiber Optic Delay Line"

840-1650 nm; Delay Range 0-130 ps (4 cm); RL 55 dB; Fiber Type SMF-28, HI780, HI1060, PM Panda; IL <0.8 dB; PDL 0.1 dB

General Photonics’ VDL-004 module is a miniature variable optical delay line designed specifically for OEM applications. This device offers continuous control with high precision, zero backlash, and good thermal stability.

An internal mirror can be installed to cause light to double pass the device, doubling the delay range. A locking mechanism is provided for locking the delay at a permanent position. The VDL-004 delay line module generally comes with single mode (SM) or polarization maintaining (PM) fiber pigtails per customer requirement.

With a footprint of only 78 x 22 x 15 mm for a delay range of 130 ps (40 mm), the device can be easily integrated into larger instruments or assemblies for precision optical path length control or timing alignment. Convenient mounting brackets allow mounting in any orientation, as well as easy integration of multiple units on a base plate to form an array.

Key Features:

Compact Size: 78 x 22 x 15 mm
Continuous Adjustment
Zero Backlash
Low Insertion Loss: <0.8 dBInsertion Loss Variation: <0.4 dB Over Entire Range
High Stability
Flexible Mounting Options
Position Locking Included
Operating Wavelength: 840, 1060, 1310, 1550, 1260 to 1650 nm
Optical Delay Range: 0 to 130 ps (40 mm) Continuous
Optical Delay Resolution: 3.34 ps (1 mm) Per Full Turn
Delay Repeatability: <20 µm
Zero Point Delay Offset: 230 ps
Polarization Dependent Loss (PDL): 0.1 dB (SM Fiber)
Return Loss (RL): 55 dB
Polarization Extinction Ratio: 20 dB (PM Model)
Optical Power Damage Threshold: 300 mW
Fiber Type: SMF-28, HI780, HI1060, PM Panda

Applications: Microwave Photonics; Phased Array Antennas; Coherent Detection Systems; Optical Time Division Multiplexing (OTDM); Optical Coherence Tomography (OCT); Optical Interferometry; Optical Fourier Spectrum Analysis; Fiber Sensors

Manufacturer "General Photonics"

Headquartered in Chino, CA, USA, General Photonics develops and builds innovative optical instruments and modules to fuel the growth of optical networks, sensor systems and biomedical diagnosis systems. With more than 52 issued US patents and numerous pending applications, General Photonics offers the most complete line of instruments, modules and components for dynamic polarization management and measurement as well as optical delay and timing control in the industry. General Photonics‘ broad range of instruments comprises polarization controllers, stabilizers, synthesizers, analyzers and scramblers as well PMD or PDL emulators and sources. For polarization measurement, General Photonics offers polarization crosstalk analyzers, polarimeters, optical component analyzers and OCDR systems. Tunable lasers and SLED light sources as well as composite material scanners complete the company’s instrument portfolio. On the modules side, General Photonics provides devices for controlling, scrambling and tracking of polarization as well as polarimeters, polarization state generators, depolarizers, Mach-Zehnder interferometers or balanced photodetectors. For optical delay purposes, General Photonics’ module range includes optical delay lines, phase shifters and fiber stretchers.

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VDL-001 Fiber Optic Delay Line

840-1650 nm; Delay Range 0-1,200 ps; RL 50 dB; Fiber Type SMF-28, HI780, HI1060, PM Panda; IL 1.0, 1.5 dB; PDL 0.1 dB The General Photonics VDL-001 module is a manually controlled variable fiber optic optical delay line. Multiple versions are available with path length of up to 1,200 ps. 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 1,200 ps. The delay line is packaged in a small aluminum box to prevent dust or noxious vapors from contaminating the optical path. The compact, rugged design makes the VDL-001 device ideal for integration in network equipment, test instruments, and optical coherence tomography (OCT) systems for precision optical path length or timing alignment. Key Features: Highest Delay-to-Length Ratio Optical Delay: Up to 1,200 ps Insertion Loss (IL): 1.0, 1.5 dB Typical Low Insertion Loss Variation: ±0.3, ±0.5, ±0.7 dB Operating Wavelengths: 840, 1060, 1310, 1550, 1260 to 1650 nm Optical Delay Range: 0 to 330, 0 to 600, 0 to 1200 ps Readout Scale Resolution: 0.05 mm Polarization Dependent Loss (PDL): 0.1 dB (SM Model) Return Loss (RL): 50 dB Extinction Ratio: >18 dB (PM Model) Optical Power Damage Threshold: 300 mW Fiber Type: SMF-28, HI780, HI1060, PM Panda Dimensions: 25.5 x 53 x 107/152 mm Applications: Optical Coherence Tomography (OCT) Systems; Passive Time Division Multiplexing (TDM); TDM Bit Alignment; Fiber Interferometers

Product number: SW11305

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