850 nm FDML: performance and challenges

M. Klufts; S. Lotz; M. A. Bashir; T. Pfeiffer; A. Mlynek; W. Wieser; A. Chamorovskiy; V. Shidlovski; R. Huber

doi:10.1117/12.2649646

8 March 2023 850 nm FDML: performance and challenges

M. Klufts, S. Lotz, M. A. Bashir, T. Pfeiffer, A. Mlynek, W. Wieser, A. Chamorovskiy, V. Shidlovski, R. Huber

Proceedings Volume 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII; 1236705 (2023) https://doi.org/10.1117/12.2649646
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

We demonstrate a Fourier domain mode locked (FDML) laser centered around 850 nm with a sweeping range of 50 nm, a fundamental repetition rate of 2×416 kHz and an output power of 2 mW. A new cavity design using three chirped Fiber Bragg gratings is required to overcome sweeping limitations caused by high dispersion. Other solutions to address challenges such as high loss and high polarization mode dispersion will be discussed along with performance. A main application of this laser will be retinal imaging, but it might also be applicable for TiCo-Raman and SLIDE microscopy.

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Citation Download Citation

M. Klufts, S. Lotz, M. A. Bashir, T. Pfeiffer, A. Mlynek, W. Wieser, A. Chamorovskiy, V. Shidlovski, and R. Huber "850 nm FDML: performance and challenges", Proc. SPIE 12367, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXVII, 1236705 (8 March 2023); https://doi.org/10.1117/12.2649646

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