Low-Cost 3D-Printed Electromagnetically Driven Large-Area 1-DOF Optical Scanners

Shen, Ching-Kai; Huang, Yu-Nung; Liu, Guanyang; Tsui, Wei-An; Cheng, Yiwen; Yeh, Pin-Hung; Tsai, Jui-che

doi:10.3390/photonics9070484

Cited by 8 publications

(2 citation statements)

References 24 publications

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“…From these relationships one may observe that for PMs η is "n" times higher than for single mirror scanners, rotational (i.e., the monogonoften manufactured in its pyramidal configuration) or oscillatory (i.e., for GSs, MEMS, or other (including low-cost) variants with tilting mirrors [25]).…”

Section: Optical Analyses Of Pm Scanning Headsmentioning

confidence: 99%

Laser scanners with polygonal mirrors: optomechanical analysis and design

Duma,

Duma

2023

Electro-Optical and Infrared Systems: Technology and Applications XX

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We report a fully-developed theory of laser scanners with rotational Polygon Mirrors (PMs). The deduced scanning function, velocity, and acceleration of PMs have been deduced and discussed in comparison to those of Galvanometer Scanners (GSs). All other characteristic parameters have been obtained, including angular and linear field-of-view (FOV), as well as duty cycle [Proc. of the Romanian Acad. Series A 18, 25-33, 2017]. Although this developed theory considered the laser beams reduced to a single ray (i.e., the center axis of the beam), the specific approach has allowed further on for a complete analysis for scanning laser beams with finite diameters. The multi-parameter optomechanical analysis of these PM functions was performed as well, considering all constructive and functional parameters [Appl. Sci. 12, 5592 (2022)]. The non-linearity of scanning functions (i.e., the non-constant scanning velocities) has been approached. In order to linearize the PM or GS scanning function, a two supplemental mirrors device was developed. This increases the distance between the PM and its objective lens within a reasonable dimension of the system, by folding the scanned laser beam. Rules-of-thumb have been obtained for the design of these scanning heads. The optical part has been completed with a Finite Element Analysis (FEA) of rotational PMs, assessing their structural integrity. An optomechanical design scheme completes the PM scanning heads study, highlighting the links between optical and mechanical aspects. This type of scheme can be utilized for other optomechanical scanners, as well.

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Section: Optical Analyses Of Pm Scanning Headsmentioning

confidence: 99%

Laser scanners with polygonal mirrors: optomechanical analysis and design

Duma,

Duma

2023

Electro-Optical and Infrared Systems: Technology and Applications XX

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“…Previously, we demonstrated one-axis scanners fabricated using FDM 3D printing [6] . Based on the know-how obtained from this earlier work, in this paper we propose two different dual-axis scanner designs, one with an umbrella-like structure and the other with an X-shape architecture.…”

Section: Introductionmentioning

confidence: 99%

Dual-axis mirror scanners fabricated with 3D printing

Cheng,

Tsui,

Yeh

et al. 2023

Optomechanical Engineering 2023

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In this paper, we demonstrate two designs of low-cost mirror scanners. The main structures are 3D-printed with PLA (polylactic acid) as the material. A 20 mm  20 mm aluminum-coated silicon chip is attached on the top of the 3Dprinted piece and functions as the mirror. Miniature permanent magnets are installed on the back of the mirror, and the mirror can then be actuated by electromagnets. The umbrella-like scanner achieves resonant optical scan ranges of 4.8 and 4.5 degrees in two orthogonal directions, respectively. On the other hand, the X-shape scanner reaches 12.2 and 4.6 degrees (optical) for the x- and y-scans at the corresponding resonant frequencies (103 Hz and 128 Hz), respectively.

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