Exfo M9734-EA Fiber Optic Depolarizer

The Exfo M9734-EA is a fiber optic depolarizer designed to reduce the degree of polarization of light propagating through a fiber optic system. This is crucial in applications sensitive to polarization effects, such as optical measurements and coherent communication systems. It operates by scrambling the polarization states of the light, effectively randomizing the polarization and minimizing polarization-dependent losses or errors.

Model
Exfo M9734-EA
Calibration
Available on request
Price
$475
Status
In stock
RFQ ref
M9734-EA
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This unit

The Exfo M9734-EA is a passive fiber optic depolarizer designed to reduce the degree of polarization (DOP) of light signals in fiber optic systems. By randomizing incoming polarization states, it minimizes polarization-dependent loss (PDL) and improves signal integrity and measurement repeatability - critical for coherent optical communications, fiber optic sensing, and optical component characterization where polarization-dependent effects compromise accuracy and system performance.


Technical Specifications



  • Operating Wavelength: 1520 nm to 1620 nm

  • Fiber Type: SMF-28

  • Typical Insertion Loss: 3 dB

  • Typical Degree of Polarization (DOP): 10% to 15% (measured at 1550 nm with EXFO IQ-2600 Tunable Laser Source)

  • Typical Polarization Dependent Loss (PDL): 0.1 dB


Key Features



  • Passive optical design using single-mode optical fibers

  • Effective depolarization for low- and medium-coherence sources including Fabry-Perot laser diodes, DFB lasers, and EXFO IQ-2600 and FLS-2600 tunable laser families

  • Multiple connector options: APC/DIN 47256, APC/FC narrow key, APC/SC, APC/E-2000, and UPC/DIN 47256

  • Integrates as a one-slot module in EXFO IQ-200 Optical Test System


Typical Applications



  • Optical power and spectral measurements where polarization sensitivity affects accuracy

  • High-speed coherent communication systems requiring PDL mitigation

  • Fiber optic sensor systems vulnerable to polarization variations

  • Passive and active component characterization (amplifiers, WDM devices) with consistent input polarization conditioning


Compatibility & Integration The M9734-EA operates with high-power LEDs (SLDs), Fabry-Perot laser diodes, DFB lasers, and EXFO's IQ-2600 and FLS-2600 tunable laser source families. Standard single-mode fiber connectivity enables field integration across test benches and automated optical test systems.

Specifications

ParameterValue
Wavelength Range1520 nm to 1620 nm

Exfo M9734-EA — Repair & Calibration Service

Aumictech offers NIST-traceable calibration and repair for the Exfo M9734-EA. Calibration covers attenuation accuracy at 5 or more set values across the full range (0 to rated maximum dB), attenuation linearity, wavelength-dependent attenuation at 1310 nm, 1490 nm, and 1550 nm, insertion loss at minimum attenuation (0 dB position), and polarization-dependent loss (PDL) where applicable. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.

Standard Cal
$450
Pass/fail cert + NIST sticker
Cal with Data
$650
Full NIST cert with measured values

Common Exfo M9734-EA faults: motor and gear mechanism wear (attenuation steps or loss of smooth control), optical port contamination, EEPROM calibration data corruption. Most common faults are motor or gear mechanism wear on variable attenuators causing attenuation steps or loss of smooth control, optical port contamination reducing dynamic range, and EEPROM calibration data corruption on digitally controlled models.

Exfo M9734-EA price

This Exfo M9734-EA is listed at $475. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.

Exfo M9734-EA calibration cost

NIST-traceable calibration for the Exfo M9734-EA is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers attenuation accuracy at 5 or more set values across the full range (0 to rated maximum dB), attenuation linearity, wavelength-dependent attenuation at 1310 nm, 1490 nm, and 1550 nm, insertion loss at minimum attenuation (0 dB position), and polarization-dependent loss (PDL) where applicable. Turnaround is 1 to 3 business days after receipt. See full calibration details →

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