&lt;title&gt;1-GHz bandwidth isotropic acousto-optic cell&lt;/title&gt;

Kulakov, S. V.; Kludzin, Victor V.; Gusev, O. B.; Gabaraev, Oleg G.; Nefedov, V. G.; Molotok, Victor V.

doi:10.1117/12.243120

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2023

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“…A step-array AOD based on PbMoO 4 had a 3 dB bandwidth of 250 MHz [62], which is 4.5 times wider than the 55.7 MHz bandwidth of our current work. Besides, the AOD based on LiNbO 3 demonstrates the 3 dB bandwidth of 1 GHz [63]. Therefore, the scanning speed has the potential to improve by one order of magnitude using a wider bandwidth.…”

Section: Discussionmentioning

confidence: 99%

Acousto-optic Scanning Spatial-switching Multiphoton Lithography

Jiao

Chen

Liu

et al. 2023

Int. J. Extrem. Manuf.

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Despite of tremendous potential of multiphoton lithography (MPL) in laboratorial and industrial applications, simultaneous achievement of high throughput, high accuracy, high design freedom, and a broad range of material structuring capabilities remains a long-pending challenge. To address the issue, we propose an acousto-optic scanning with spatial-switching multispots (AOSS) method. Inertia-free acousto-optic scanning and nonlinear swept techniques have been developed for achieving ultrahigh-speed and aberration-free scanning. Moreover, a spatial optical switch concept has been implemented to significantly boost the lithography throughput while maintaining high resolution and high design freedom. An eight-foci AOSS system has demonstrated a record-high 3D printing rate of 7.6×10^7 voxel/s, which is nearly one order of magnitude higher than earlier scanning MPL, exhibiting its promise for future scalable 3D nanomanufacturing.

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Section: Discussionmentioning

confidence: 99%