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access icon free Asynchronous sampling terahertz time-domain spectroscopy using semiconductor lasers

Asynchronous optical sampling terahertz time-domain spectroscopy using semiconductor laser-based ultra-short pulse sources is demonstrated. A pair of hybridly mode-locked edge-emitting external cavity lasers operating at a wavelength of 830 nm is used. Terahertz traces with spectral components over a range of 250 GHz are achieved.

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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2018.0521
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