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Journal articles on the topic 'F-theta lens'

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1

Kim, Sang-Suk, Hyun-Uk Kim, Sang-Hwa Jeong, Hye-Jeong Kim, and Jeong-Ho Kim. "Development of F-theta Lens for Laser Beam Printer." Journal of the Korean Institute of Electrical and Electronic Material Engineers 19, no. 4 (2006): 386–90. http://dx.doi.org/10.4313/jkem.2006.19.4.386.

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2

Chen, Ming Fei, Yu Pin Chen, Chun Wei Hu, and Chien Chuan Chen. "Method of Analyzing the Singlet F-Theta Scan Lens for Laser Drilling System." Key Engineering Materials 364-366 (December 2007): 521–26. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.521.

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The scanning system which uses the non-linear focusing lens is usually accompanied by a major problem that is a non-constant scanning velocity of the spots in the projection plane. Moreover, the energy of the spots and the shape of the drilling holes would be affected. Hence, the focal lens of the scanning system usually uses the f-theta lens to solve this problem. This paper proposes a method utilizing the ZEMAX to analyze the commercial F-theta lens. The results indicate the F-theta lens can increase the quality of the drilling holes and amend the projection plane. In order to verify the ana
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3

Lee, Dong-Hee, and Seung-Hwan Park. "Design and Development of F-theta Lens for 1064 nm Laser." Journal of Korean Ophthalmic Optics Society 21, no. 4 (2016): 401–7. http://dx.doi.org/10.14479/jkoos.2016.21.4.401.

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4

Park, Seung-Hwan, Sun-Dong Kim, and Dong-Hee Lee. "Design of Telecentric F-theta Lens for 532 nm Wavelength Laser." Journal of Korean Ophthalmic Optics Society 24, no. 4 (2019): 447–54. http://dx.doi.org/10.14479/jkoos.2019.24.4.447.

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5

Lee, Jea-Seong, та Dong-Hee Lee. "Development and Design of F-theta Lens for 10.6 μm CO2 Laser". Journal of Korean Ophthalmic Optics Society 24, № 2 (2019): 161–67. http://dx.doi.org/10.14479/jkoos.2019.24.2.161.

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6

Li, Hua, Suet To, Ling Bao Kong, Chi Fai Cheung, and Wing Bun Lee. "Inspection Technology for F-Theta Lens: Practices and Discussions." Key Engineering Materials 364-366 (December 2007): 1191–96. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.1191.

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This paper presents the inspection technology for a freeform surface component which is named F-theta lens. F-theta lens is widely used in laser scanners, printers, etc. Freeform characterization is one of the main approaches to verify the manufacturing precision of freeform surface. At present, there is still a lack of techniques for the characterization of freeform surfaces. This study aimed to explore some approaches to inspect freeform surfaces. Two types of measurement methods, namely contact and non-contact measurement methods, are employed to measure the F-theta lens surface. The pros a
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7

XIE, Jin. "Precision and Mirror Grinding of F-Theta Freeform Surface Lens." Journal of Mechanical Engineering 52, no. 17 (2016): 072. http://dx.doi.org/10.3901/jme.2016.17.072.

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8

Yan, Zhou, and Shen Tao. "Optical design of wide-angle multi-wavelength f-theta lens." Journal of Applied Optics 38, no. 4 (2017): 510–16. http://dx.doi.org/10.5768/jao201738.0401003.

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9

Lee, Dong-Kil, Young-Su Yang, Sang-Suk Kim, Hye-Jeong Kim, and Jeong-Ho Kim. "Development of a F-Theta Lens for a Laser Scanning Unit." Journal of the Korean Physical Society 53, no. 9(5) (2008): 2527–30. http://dx.doi.org/10.3938/jkps.53.2527.

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10

Peng, Chuanqian, Yumei He, and Jie Wang. "Optimization of pencil beam f-theta lens for high-accuracy metrology." Optical Engineering 57, no. 01 (2018): 1. http://dx.doi.org/10.1117/1.oe.57.1.015101.

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11

Park, Yong-Woo, Sung-Min Moon, and Sung-Ki Lyu. "A Study on the Analysis of Injection Molding of F-theta Lens." Korean Society of Manufacturing Process Engineers 20, no. 1 (2021): 1–6. http://dx.doi.org/10.14775/ksmpe.2021.20.01.001.

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12

Park, Yong-Woo, Seong-Min Moon, and Sung-Ki Lyu. "A Study on Processing and Performance of a 600dpi Master F-theta Lens." Korean Society of Manufacturing Process Engineers 19, no. 5 (2020): 1–7. http://dx.doi.org/10.14775/ksmpe.2020.19.05.001.

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13

Shin, Hyun-Myung, Sung-Chul Yoon, and Hae-Woon Choi. "Optimum Design and Characterization of F-Theta Lens by a 3D Printer(I)." Journal of the Korean Society of Manufacturing Process Engineers 14, no. 4 (2015): 43–48. http://dx.doi.org/10.14775/ksmpe.2015.14.4.043.

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14

Yoon, Sung-Chul, Hyun Myung Shin, and Hae-Woon Choi. "Optimum Design and Characterization of F-theta lens by a 3D Printer(II)." Journal of the Korean Society of Manufacturing Process Engineers 14, no. 4 (2015): 49–54. http://dx.doi.org/10.14775/ksmpe.2015.14.4.049.

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15

Wen, C. M., K. W. Yuan, P. T. Chou, J. W. Huang, and C. K. Lee. "An f-Theta Lens Design for Bio-Medical System: Laser Scanning Microarray Reader." Optical and Quantum Electronics 37, no. 13-15 (2005): 1367–76. http://dx.doi.org/10.1007/s11082-005-4216-3.

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16

Son, Ho-Sung, Young-Wook Jeon, and Dal-Young Kim. "A Simulation Study on Improvement of the F-theta Lens for Laser Scanning Unit." Korean Journal of Vision Science 23, no. 2 (2021): 139–46. http://dx.doi.org/10.17337/jmbi.2021.23.2.139.

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17

Park, Yong-Woo, Jae-Ung Cho, and Sung-Ki Lyu. "A Study on the Design and Simulation of a 600 dpi Master F-Theta Lens." Journal of the Korean Society for Precision Engineering 37, no. 6 (2020): 399–405. http://dx.doi.org/10.7736/jkspe.020.032.

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18

DIXON, A. E., S. DAMASKINOS, A. RIBES, and K. M. BEESLEY. "A new confocal scanning beam laser MACROscope using a telecentric, f-theta laser scan lens." Journal of Microscopy 178, no. 3 (1995): 261–66. http://dx.doi.org/10.1111/j.1365-2818.1995.tb03603.x.

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19

Shi, Yan, Li Qiang Wang, Hua Zheng, Jie Wang, and Zu Kang Lu. "Modulation Transfer Function for a Multichannel Laser Induced Fluorescence Analyzer and its Numerical Calculation." Key Engineering Materials 364-366 (December 2007): 1138–41. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.1138.

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In this paper, the modulation transfer function with aberration of a multichannel laser induced fluorescence analyzer is presented. Based on an f-theta lens, the confocal system was used both to transform the exciting laser and to collect the fluorescence emitted from sample. The total MTF is the combination of that of both systems. A simple method for the numerical calculation of that was also given. From the calculating result we could conclude that the aberration had poor impact on the MTF of a confocal multichannel fluorescence analyzer and the imaging performance was uniform in the full f
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20

Park, Yong-Woo, Seong-Min Moon, and Sung-Ki Lyu. "Effect of Injection Temperature Condition on Root Mean Square and Peak-to-Valley of F-theta Lens." Korean Society of Manufacturing Process Engineers 20, no. 6 (2021): 114–20. http://dx.doi.org/10.14775/ksmpe.2021.20.06.114.

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21

Zheng, Hua, Li Qiang Wang, Yan Shi, Jie Wang, and Zu Kang Lu. "Novel Design of Confocal Fluorescence Detecting System for Capillary Array and Microchip DNA Fragment Analysis." Key Engineering Materials 364-366 (December 2007): 1147–50. http://dx.doi.org/10.4028/www.scientific.net/kem.364-366.1147.

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A novel multi-channel DNA fragment analysis system is presented,which is based on single PMT confocal fluorescence detection and optical scanning adopting an f-theta lens. Capillary electrophoresis experiments were executed in the system for DNA marker pBR322/Hae III. Signal was processed with wavelet denoising. The system’s limit of detection (dsDNA with the probe of Thiazole Orange, TO) was evaluated to be 1.1841×10-11mol/L. Its working noise is much lower compared with that based on mechanical scanning one, and the stability and detecting sensitivity is high. The system was expected to be a
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22

Lee, Seung Seok, Woosub Song, and Eun Seo Choi. "Spectral Domain Optical Coherence Tomography Imaging Performance Improvement Based on Field Curvature Aberration-Corrected Spectrometer." Applied Sciences 10, no. 10 (2020): 3657. http://dx.doi.org/10.3390/app10103657.

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We designed and fabricated a telecentric f-theta imaging lens (TFL) to improve the imaging performance of spectral domain optical coherence tomography (SD-OCT). By tailoring the field curvature aberration of the TFL, the flattened focal surface was well matched to the detector plane. Simulation results showed that the spot in the focal plane fitted well within a single pixel and the modulation transfer function at high spatial frequencies showed higher values compared with those of an achromatic doublet imaging lens, which are commonly used in SD-OCT spectrometers. The spectrometer using the T
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23

Gao, Long, Chunhui Wang, Yiqin Ji, Yanchao Li, and Yang Qu. "High-speed scanning fiber-optic heterodyne interferometer using a micro-electro-mechanical system mirror and an f-theta lens." Optical Review 18, no. 6 (2011): 455–57. http://dx.doi.org/10.1007/s10043-011-0085-0.

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24

Wojtanowski, Jacek, Marcin Jakubaszek, and Marek Zygmunt. "Freeform Mirror Design for Novel Laser Warning Receivers and Laser Angle of Incidence Sensors." Sensors 20, no. 9 (2020): 2569. http://dx.doi.org/10.3390/s20092569.

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In this paper, we present a novel configuration of an optical angle-of-incidence (AOI) sensor based on the application of a freeform mirror. The main challenge in designing this mirror was to provide a strictly linear transformation between AOI and the spatial position of the spot created on the linear detector array. Another two goals of this paper were to minimize stray light issues (improve the dynamic range) and create an intermediate focus and lateral shift in the detector position with respect to the plane of incidence. From an optical point of view, the designed mirror can thus be under
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25

Schlutow, Henrike, Ulrike Fuchs, Frank A. Müller, and Stephan Gräf. "Squared Focal Intensity Distributions for Applications in Laser Material Processing." Materials 14, no. 17 (2021): 4981. http://dx.doi.org/10.3390/ma14174981.

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Tailored intensity profiles within the focal spot of the laser beam offer great potential for a well-defined control of the interaction process between laser radiation and material, and thus for improving the processing results. The present paper discusses a novel refractive beam-shaping element that provides different squared intensity distributions converted from the Gaussian output beam of the utilized femtosecond (fs) laser. Using the examples of surface structuring of stainless-steel on the micro- and nano-scale, the suitability of the beam-shaping element for fs-laser material processing
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26

Myles, David, David Milne та Jonathan D. Shephard. "Scanned Mask Imaging Ablative DPSS UV Laser Process for 2μm L/S RDL". Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2015, DPC (2015): 000554–89. http://dx.doi.org/10.4071/2015dpc-tp21.

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Laser embedding conductors within a dielectric offers numerous advantages in fabricating redistribution layers (RDLs) for chip packages. Ablation of features down to 2μm L/S gives more routing space per layer and addresses the technology gap between semiconductor and PCB technologies. Microvias are made in the same process step as the circuitry, facilitating near padless vias further increasing the routing space available per layer. For a given package, this reduces the layer count and conductor path length required reducing the height profile of the package and improving signal integrity. Emb
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27

Pernechele, Claudio, luca consolaro, geraint jones, george brydon, and Vania Da Deppo. "Telecentric F-Theta Fisheye Lens for Space Applications." OSA Continuum, December 11, 2020. http://dx.doi.org/10.1364/osac.412566.

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28

"Effect of Injection Molding Conditions of Effective Surface Properties of F-theta Lens." Korean Society of Manufacturing Process Engineers 20, no. 9 (2021): 20–27. http://dx.doi.org/10.14775/ksmpe.2021.20.09.020.

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