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Mach-Zehnder

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Mach-Zehnder Type Interferometer




  • OCT-Proven Clock for Swept Source Systems
  • Compact Design that Allows Subassembly Integration
  • Several Wavelengths Available

Features

  • For 850 nm or 1300 nm Center Wavelengths
  • Ideal for Swept Source Output Frequency Monitoring
  • Balanced Detection Output
  • Low Insertion Loss:
  • Flat Wavelength Response
  • Integrated Signal Detection for Power Monitor and k-Clock Signals
  • Interferometer Power Supply Included

Thorlabs' Mach-Zehnder interferometer clock box subassemblies are designed to be used inside a swept source OCT system with a central wavelength of either 850 nm or 1300 nm. The internal fiber couplers are optimized for flat wavelength responses and coupling losses that have a very low polarization dependence, which make the output signals independent of input polarization changes. The clock box contains two detectors, providing a power monitor signal and a k-clock signal that monitors the output frequency of the swept source. Both outputs have a 200 MHz bandwidth, and the k-clock uses a balanced detection scheme to maximize rejection of common mode noise.

Although originally designed for OCT systems, this clock can also be used for other synchronization applications.

 

Item #Wavelength
Range
*
Detector
Type
Free
Spectral Range
Insertion
Loss*
INT-MZI-850 780 - 925 nm Si/PIN 103.3 GHz ± 5% <1.5 dB (Typ),
3 dB (Max)
INT-MZI-1300 1225 - 1375 nm InGaAs/PIN <0.7 dB (Typ),
1 dB (Max)

 

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