Time-domain photocurrent spectroscopy based on a common-path birefringent interferometer

Lukas Wolz; Constantin Heshmatpour; Antonio Perri; Dario Polli; Giulio Cerullo; Jonathan J. Finley; Erling Thyrhaug; Jürgen Hauer; Andreas V. Stier

doi:10.1063/5.0023543

Time-domain photocurrent spectroscopy based on a common-path birefringent interferometer

Lukas Wolz, Constantin Heshmatpour, Antonio Perri, Dario Polli, Giulio Cerullo, Jonathan J. Finley, Erling Thyrhaug, Jürgen Hauer, Andreas V. Stier

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

4 Zitate (Scopus)

Abstract

We present diffraction-limited photocurrent (PC) microscopy in the visible spectral range based on broadband excitation and an inherently phase-stable common-path interferometer. The excellent path-length stability guarantees high accuracy without the need for active feedback or post-processing of the interferograms. We illustrate the capabilities of the setup by recording PC spectra of a bulk GaAs device and compare the results to optical transmission data.

Originalsprache	Englisch
Aufsatznummer	123101
Fachzeitschrift	Review of Scientific Instruments
Jahrgang	91
Ausgabenummer	12
DOIs	https://doi.org/10.1063/5.0023543
Publikationsstatus	Veröffentlicht - 1 Dez. 2020

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10.1063/5.0023543

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abstract = "We present diffraction-limited photocurrent (PC) microscopy in the visible spectral range based on broadband excitation and an inherently phase-stable common-path interferometer. The excellent path-length stability guarantees high accuracy without the need for active feedback or post-processing of the interferograms. We illustrate the capabilities of the setup by recording PC spectra of a bulk GaAs device and compare the results to optical transmission data.",

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AU - Heshmatpour, Constantin

AU - Perri, Antonio

AU - Polli, Dario

AU - Cerullo, Giulio

AU - Finley, Jonathan J.

AU - Thyrhaug, Erling

AU - Hauer, Jürgen

AU - Stier, Andreas V.

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AB - We present diffraction-limited photocurrent (PC) microscopy in the visible spectral range based on broadband excitation and an inherently phase-stable common-path interferometer. The excellent path-length stability guarantees high accuracy without the need for active feedback or post-processing of the interferograms. We illustrate the capabilities of the setup by recording PC spectra of a bulk GaAs device and compare the results to optical transmission data.

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Time-domain photocurrent spectroscopy based on a common-path birefringent interferometer

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