Computationally image-corrected dual-comb microscopy with a free-running single-cavity dual-comb fiber laser

Abstract

Dual-comb microscopy (DCM), an interesting imaging modality based on the optical-frequency-comb (OFC) mode and image pixel one-to-one correspondence, benefits from scan-less full-field imaging and simultaneous confocal amplitude and phase imaging. However, the two fully frequency-stabilized OFC sources requirement hampers DCM practicality due to the complexity and costs. Here, a bidirectional single-cavity dual-comb fiber laser (SCDCFL) is adopted as a DCM low-complexity OFC source. Computational image correction reduces the image blur caused by the SCDCFL residual timing jitter. Nanometer-order step surface profilometry with a 14.0 nm uncertainty highlights the image-corrected DCM effectiveness. The proposed method enhances the DCM versality and practicality.

arXiv comment25 pages, 7 figures

References in corpus (9)

• Microresonator Soliton Dual-Comb Spectroscopy
• Picometer-resolution dual-comb spectroscopy with a free-running fibre laser
• A bidirectional dual-comb ring laser for simple and robust dual-comb spectroscopy
• Scan-less confocal phase microscopy based on dual comb spectroscopy of two-dimensional-image-encoding optical frequency comb
• Comb-mode-resolved adaptive sampling terahertz dual-comb spectroscopy with a free-running single-cavity fiber laser
• Microresonator soliton dual-comb imaging
• Scan-less full-field fluorescence-lifetime dual-comb microscopy using two-dimensional spectral mapping and frequency multiplexing of dual-optical-comb beats
• Chaos-preserving reduction of the spin-flip model for VCSELs: failure of the adiabatic elimination of the spin-population difference
• Optical image amplification in dual-comb microscopy by use of optical-fiber-amplified interferogram