Author

Hee-June Choi

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Open access Sep 2026

Writing quality, vocabulary learning, and reading comprehension in integrated reading-to-write tasks: A comparison of digital multimodal composing and traditional monomodal writing

Integrated reading-to-write tasks have been widely used to enhance second language (L2) learners’ writing skills and benefit other areas of L2 learning, such as reading and vocabulary. Although these benefits of integrated tasks have been widely investigated in traditional text-based monomodal writing, few studies have...

Hee-June Choi, Ying-Liang Liu, Youjin Kim · Studies in Second Language L... · 0 citations

Review Aug 2026

The path to agile extreme adaptive optics at the Large Binocular Telescope Observatory

The Large Binocular Telescope Observatory (LBTO) has pioneered major advancements in Adaptive Optics (AO) technologies, including the development of the adaptive secondary mirror (ASM), the pyramid wavefront sensor (PWFS), and ground-layer AO (GLAO) utilizing Rayleigh lasers for 8- to 10-meter class telescopes. We pres...

S. Ragland, J. C. Guerra, D. Caywood et al. · Astronomical Telescopes + In... · 3 citations

Preprint Jul 2026

Testing of machine learning wavefront sensing algorithms on the Tiny Observatory for Telescope Optimization (TOTO) testbed

Phase retrieval techniques are utilized to correct low order wavefront aberrations originating from misalignments of the optical system in space based telescope concepts. Traditional phase retrieval involves observation of the Point Spread Function (PSF) and a diversity measurement, usually focus diversity although oth...

Sanchit Sabhlok, Solvay A. Blomquist, Y. Maggie et al. · 0 citations