ArticleBiomedical optics express2017
VCSEL-based swept source for low-cost optical coherence tomography.
Article in Biomedical optics express, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- A novel system design for monocular laser assisted capsule endoscopy for 3D small bowel modeling.Scientific reports · 2026Article
- A novel stress sensor enables accurate estimation of micro-scale tissue mechanics in quantitative micro-elastography.APL bioengineering · 2024Article
- Exploring single-mode VCSEL wavelength tuning for low-cost 3D optical coherence tomography and OCT angiography.Biomedical optics express · 2024Article
- Advances in Real-Time 3D Reconstruction for Medical Endoscopy.Journal of imaging · 2024Review
- Multi-channel delay sampling to extend imaging depth in high-speed swept-source OCT systems.Optics letters · 2024Article
- Long-range frequency-domain optical delay line based on a spinning tilted mirror for low-cost ocular biometry.Biomedical optics express · 2023Article
- Fourier Domain Mode Locked Laser and Its Applications.Sensors (Basel, Switzerland) · 2022Review
- Video-rate high-precision time-frequency multiplexed 3D coherent ranging.Nature communications · 2022Article
- A review of low-cost and portable optical coherence tomography.Progress in biomedical engineering (Bristol, England) · 2021Article
- Phase-stability optimization of swept-source optical coherence tomography.Biomedical optics express · 2018Article
- Clinical translation of handheld optical coherence tomography: practical considerations and recent advancements.Journal of biomedical optics · 2017Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We present a novel wavelength-swept laser source for optical coherence tomography (OCT) which is based on the conventional laser diode technology of the vertical-cavity surface-emitting laser (VCSEL). In our self-heating sweep VCSEL (SS-VCSEL), a VCSEL device is simply driven by ramped pulses of currents in direct intensity modulation. The intrinsic property of VCSEL produces a frequency-swept output through the self-heating effect. By the injected current, the temperature of the active region is gradually increased in this effect. Consequently, it changes the wavelength of the laser output by itself. In this study, various characteristics of our SS-VCSEL were experimentally investigated for low-cost instrumentation of a swept source OCT system. A low-cost SS-VCSEL-based OCT system was demonstrated in this research that provided an axial resolution of 135 μm in air, sensitivity of -91 dB and a maximum imaging range longer than 10 cm when our source was operated at a sweep repetition rate of 5 kHz with an output power of 0.41 mW. Based on the experimental observations, we believe that our SS-VCSEL swept source can be an economic alternative in some of low-cost or long-range applications of OCT.
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