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OSA Publishing

10 November 2019, Volume 58, Issue 32, pp. 8719-9019   36 articles


Optical Devices, Sensors, and Detectors

Design of a narrow-bandwidth refractive index sensor based on a cascaded few-mode long-period fiber grating

Appl. Opt. 58(32), 8726-8732 (2019)  View: HTML | PDF

Improved spherical mirror multipass-cell-based interband cascade laser spectrometer for detecting ambient formaldehyde at parts per trillion by volume levels

Appl. Opt. 58(32), 8743-8750 (2019)  View: HTML | PDF

Editors' Pick

Achieving high numerical aperture near-infrared imaging based on an ultrathin cylinder dielectric metalens

Appl. Opt. 58(32), 8914-8919 (2019)  View: HTML | PDF

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