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Optica Publishing Group
  • CLEO/Europe and EQEC 2009 Conference Digest
  • (Optica Publishing Group, 2009),
  • paper CJ10_3

Raman pumped Fourier domain mode locked (FDML) laser: Analysis of operation and application for optical coherence tomography (OCT)

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Abstract

Recently, the introduction of Fourier Domain Mode Locking (FDML) [1] has helped to overcome physical limitations of the sweep repetition rate of rapidly wavelength swept laser sources [2]. Such sources can be applied for optical coherence tomography (OCT) [3] using frequency domain detection [4]. This technique is called swept source OCT (ss-OCT) or optical frequency domain imaging (OFDI). FDML lasers usually consist of a semiconductor optical amplifier (SOA) as laser gain medium, an output coupler, a periodically driven optical bandpass filter (FFP-TF) and an optical delay line, so that their total length is typically several kilometres (Fig la).

© 2009 IEEE

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