1190 nm Fourier domain mode locked (FDML) laser for optical coherence tomography (OCT)

被引：0
|
作者：
Bashir, A. [1 ]
Lotz, S. [1 ]
Klufts, M. [1 ]
Krestnikov, I. [3 ]
Jirauschek, C. [4 ]
Huber, R. [1 ,2 ]
机构：
[1] Univ Lubeck, Inst Biomed Opt, D-23562 Lubeck, Germany
[2] Med Laserzentrum Lubeck GmbH, Peter Monnik Weg 4, D-23562 Lubeck, Germany
[3] Innolume GmbH, Konrad Adenauer Allee 11, D-44263 Dortmund, Germany
[4] Tech Univ Munich, Hans Piloty Str 1, D-85748 Garching, Germany
来源：
OPTICAL COHERENCE TOMOGRAPHY AND COHERENCE DOMAIN OPTICAL METHODS IN BIOMEDICINE XXVII | 2023年 / 12367卷
基金：
欧盟地平线“2020”;
关键词：
FDML; laser; swept source; OCT; SS-OCT; LOCKING;
D O I：
10.1117/12.2652884
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
We demonstrate a Fourier domain mode locked (FDML) laser centered at 1190 nm with 2x410 kHz sweep repetition rate, a sweeping range of 100 nm and 2.5 mW output power. The laser is based on a quantum dot-semiconductor optical amplifier with small linewidth enhancement factor. The laser could be used as a probe laser in stimulated Raman scattering microscopy and it may be attractive for optical coherence tomography due to low water absorption and the spectral signature of lipids around 1200nm. Moreover, it is ideal to close the gap between FDML lasers at 1064 nm and 1300 nm. Combining these three lasers can enable ultrawideband sweeping to improve the axial OCT resolution down to 2 mu m.
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页数：5
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