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MICRO-CONTROLE / Spectra-Physics
MDL Series Optical Fiber Delay Lines, Motorized

MDL Series Optical Fiber Delay Lines, Motorized

Product catalog summary

Overview: The MDL Series Motorized Variable Optical Delay Lines are designed to provide precise optical path delays up to 17 cm, equivalent to a maximum delay of 560 picoseconds. These devices are driven by a DC motor with an integrated encoder, offering a high delay resolution of 1 femtosecond. They are suitable for integration into network equipment and test instruments, as well as laboratory use for precision optical path length control and timing alignment.

Key Features:

Stand-alone and remote operation via RS-232.
Instant scan interruption and current position display.
Electronic backlash compensation.
Delay position readout in picoseconds and millimeters.
Relative zero position setting.

Applications:

Passive time division multiplexing (TDM).
TDM bit alignment.
Fiber interferometers.
Optical spectrum analysis and interferometry.
Modulation phase variation for testing reflection effects on transmitters.

Specifications:

Wavelength Range: 1260 to 1650 nm for Single Mode Models; 1310 & 1500-1600 nm for Polarization Maintaining Models.
Optical Delay Range: 0 to 330 or 0 to 560 ps.
Optical Delay Resolution: 1 fs.
Optical Delay Accuracy: ± 0.01 ps.
Optical Delay Repeatability: ± 0.01 ps.
Operation Modes: Point-to-point, Continuous scan operation, and PC control (RS-232).
Insertion Loss: Typical 1.0 dB.
Return Loss: 50 dB.
Polarization Dependent Loss: Maximum 0.1 dB.
Maximum Optical Power: 300 mW.
Input Voltage: 12 VDC/1A (Max).
Operating Temperature Range: 0 to 40°C.
Storage Temperature Range: -20 to 60°C.
Fiber Type: Corning SMF-28 for Single Mode; Fujikura PM Panda fiber for Polarization Maintaining.
Dimensions: 1.6 x 4.0 x 7.0 inches for 330 ps version; 1.6 x 4.4 x 9.0 inches for 560 ps version.

Model Descriptions: Various models are available with different configurations, including wavelength, delay range, fiber type, and connector options, such as SMF-28 or PM Pigtails with FC/PC or FC/APC connectors.

Catalog excerpts

MDL Series Optical Fiber Delay Lines, Motorized-1

382 Phone: 1-800-222-6440 • Fax: 1-949-253-1680 P h o t o n i c s a n d I n s t r u m e n t a t i o n POLARIZATION MEASUREMENT AND CONTROL OPTICAL FIBERS FIBER OPTIC COMPONENTS LASER DIODE MOUNTS LASER DIODE CONTROL AND ACCESSORIES EDUCATIONAL KITS MDL Series Motorized Variable Optical Delay Lines The MDL Series Motorized Variable Optical Delay Lines provide precision optical path delays of up to 17 cm, which corresponds to 560 picoseconds maximum delay in the time domain. Driven by a DC motor with an integrated encoder, the motorized variable optical delay line offers a high delay resolution of 1 fs for both 330 and 560 pico-second models. These motorized optical delay lines employ a compact and rugged package design that makes the device ideal for network equipment and test instrument integration. The delay lines can also be used in laboratories for precision optical path length control or timing alignment. The major applications include time division multiplexing (TDM), pulse alignment, optical spectrum analysis, and interferometry. The MDL Series can also be used to vary the modulation phase of reflections for the testing of reflection effects on transmitters. • Stand-alone and remote operation via RS-232 • Instant scan interruption and current position display • Electronic backlash compensation • Delay position readout in picosecond and millimeter • Relative zero position setting Applications • Passive time division multiplexing • TDM bit alignment • Fiber interferometers Specifications Ordering Information Single Mode Models Polarization Maintaining Models Wavelength Range (nm) 1260 to 1650 1310 & 1500-1600 Optical Delay Range (ps) 0 to 330 or 0 to 560 Optical Delay Resolution (fs) 1 Optical Delay Accuracy (ps) ± 0.01 (entire range) Optical Delay Repeatability (ps) ± 0.01 (entire range) Operation Modes Point-to-point, Continuous scan operation and PC control (RS-232) Insertion Loss, Typical (dB) 1.0 Return Loss (dB) 50 Extinction Ratio N/A >18 Polarization Dependent Loss, Maximum (dB) 0.1 dB Maximum Optical Power (mW) 300 Input Voltage 12 VDC/1A (Max) Operating Temperature Range (°C) 0 to 40 Storage Temperature Range (°C) -20 to 60 Fiber Type Corning SMF-28 Fujikura PM Panda fiber Dimensions [in. (mm)] (330 ps version) 1.6 x 4.0 x 7.0 (40.6 x 102 x 178) Dimensions [in. (mm)] (560 ps version) 1.6 x 4.4 x 9.0 in. (40.6 x 112 x 229 mm) Model Description MDL-2-3-NC-S Motorized Variable Delay Line, 1310/1550 nm, 330 ps, SMF-28 Pigtails, No Connectors MDL-2-6-NC-S Motorized Variable Delay Line, 1310/1550 nm, 560 ps, SMF-28 Pigtails, No Connectors MDL-2-3-FP-S Motorized Variable Delay Line, 1310/1550 nm, 330 ps, SMF-28 Pigtails, FC/PC Connectors MDL-2-3-FA-S Motorized Variable Delay Line, 1310/1550 nm, 330 ps, SMF-28 Pigtails, FC/APC Connectors MDL-2-6-FP-S Motorized Variable Delay Line, 1310/1550 nm, 560 ps, SMF-28 Pigtails, FC/PC Connectors MDL-2-6-FA-S Motorized Variable Delay Line, 1310/1550 nm, 560 ps, SMF-28 Pigtails, FC/APC Connectors MDL-1-3-FP-P Motorized Variable Delay Line, 1550 nm, 330 ps, PM Pigtails, FC/PC Connectors MDL-1-3-FA-P Motorized Variable Delay Line, 1550 nm, 330 ps, PM Pigtails, FC/APC Connectors MDL-1-6-FP-P Motorized Variable Delay Line, 1550 nm, 560 ps, PM Pigtails, FC/PC Connectors

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