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您的检索式：作者名="Aleksander Rodek"
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| 1 | Ultra-long-working-distance spectroscopy of single nanostructures with aspherical solid immersion microlenses显示文摘In light science and applications,equally important roles are played by efficient light emitters/detectors and by the optical elements responsible for light extraction and delivery.The latter should be simple,cost effective,broadband,versatile and compatible with other components of widely desired micro-optical systems.Ideally,they should also operate without high-numerical-aperture optics.Here,we demonstrate that all these requirements can be met with elliptical microlenses 3D printed on top of light emitters.Importantly,the microlenses we propose readily form the collected light into an ultra-low divergence beam(half-angle divergence below 1°)perfectly suited for ultra-longworking-distance optical measurements(600mm with a 1-inch collection lens),which are not accessible to date with other spectroscopic techniques.Our microlenses can be fabricated on a wide variety of samples,including semiconductor quantum dots and fragile van der Waals heterostructures made of novel two-dimensional materials,such as monolayer and few-layer transition metal dichalcogenides. | Aleksander Bogucki Lukasz Zinkiewicz Magdalena Grzeszczyk Wojciech Pacuski Karol Nogajewski Tomasz Kazimierczuk Aleksander Rodek Jan Suffczynski Kenji Watanabe Takashi Taniguchi Piotr Wasylczyk Marek Potemski Piotr Kossacki | 2020 | Light(Science & Applications)2020，9，1： | 3 |
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