Measurement of base angle of an axicon lens based on auto-collimation optical path

Wei, Zhangfan; Qiao, Yingjie; Ma, Xinghua; Hu, Jingpei; Zeng, Aijun; Huang, Huijie

doi:10.1016/j.optcom.2018.10.034

Cited by 10 publications

(6 citation statements)

References 19 publications

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“…Refractive conic axicons have not only advantages such as high energy efficiency and low chromatic dispersion, but also disadvantages. Manufacturing of refractive axicons of anticipated quality poses some challenges due to the difficulty of technology and the lack of simple approaches of control and certification of conical surfaces [ 87 , 88 , 89 , 90 ].…”

Section: Refractive and Diffractive Axiconsmentioning

confidence: 99%

Modern Types of Axicons: New Functions and Applications

Хонина

Kazanskiy

Khorin

et al. 2021

Sensors

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Axicon is a versatile optical element for forming a zero-order Bessel beam, including high-power laser radiation schemes. Nevertheless, it has drawbacks such as the produced beam’s parameters being dependent on a particular element, the output beam’s intensity distribution being dependent on the quality of element manufacturing, and uneven axial intensity distribution. To address these issues, extensive research has been undertaken to develop nondiffracting beams using a variety of advanced techniques. We looked at four different and special approaches for creating nondiffracting beams in this article. Diffractive axicons, meta-axicons-flat optics, spatial light modulators, and photonic integrated circuit-based axicons are among these approaches. Lately, there has been noteworthy curiosity in reducing the thickness and weight of axicons by exploiting diffraction. Meta-axicons, which are ultrathin flat optical elements made up of metasurfaces built up of arrays of subwavelength optical antennas, are one way to address such needs. In addition, when compared to their traditional refractive and diffractive equivalents, meta-axicons have a number of distinguishing advantages, including aberration correction, active tunability, and semi-transparency. This paper is not intended to be a critique of any method. We have outlined the most recent advancements in this field and let readers determine which approach best meets their needs based on the ease of fabrication and utilization. Moreover, one section is devoted to applications of axicons utilized as sensors of optical properties of devices and elements as well as singular beams states and wavefront features.

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Section: Refractive and Diffractive Axiconsmentioning

confidence: 99%

Modern Types of Axicons: New Functions and Applications

Хонина

Kazanskiy

Khorin

et al. 2021

Sensors

View full text Add to dashboard Cite

show abstract

“…The undoubted advantages of refractive axicons are high diffraction efficiency and low chromatic dispersion. However, the manufacture of refractive axicons is accompanied by certain difficulties, which are mainly due to the impossibility to fully control the conical surface quality 82,83 . Therefore, for polarization conversion, when the formation of a conical wavefront with a given angle of inclination to the optical axis is required, diffraction analogues of axicons are often used.…”

Section: Introductionmentioning

confidence: 99%

Refractive multi-conical elements for cylindrical vector beam generation

Algubili,

Degtyarev,

Karpeev

et al. 2023

Optical Technologies for Telecommunications 2022

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In this paper, it is proposed to use Brewster angle refraction on a conical surface to form an azimuthally polarized beam. After reflection from the conical interface of the two media, the azimuthally polarized beam is conically divergent. An azimuthally polarized beam has a vortical phase dependence. In order to collimate the output beam and make it plane-parallel, it is proposed to use one, two or three conical surfaces combined in one element. The outer surface is used to collimate the converted beam, which significantly distinguishes the proposed element from previously proposed approaches. We have named the refractive optical elements Volcone, Tetracone, and Tricone. The Volcone produces ring shape beam and the Tricone and Tetracone produce round shape beam. The polarization states of the rays when passing through the interface of the media, as well as polarization transformations using the proposed elements using our own developed ray tracing program taking into account polarization, are investigated. The description of the polarization state was carried out using Jones notation. The Volcone is fabricated by diamond turning, in which an internal conical cavity is made. The paper describes a method for calculating the path of beams through refractive conical elements, taking into account phase and polarization conversions. The Volcone is experimentally made of polymethyl methacrylate on a computer numerical control milling machine. The experiment with the Volcone demonstrates the effectiveness of the proposed element. We present Tricone geometry calculation for the following manufacturing.

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“…The undoubted advantages of refractive axicons are high diffraction efficiency and low chromatic dispersion. However, the manufacture of refractive axicons is accompanied by certain difficulties, which are mainly due to the impossibility to fully control the conical surface quality [57,58]. Therefore, for polarization conversion, when the formation of a conical wavefront with a given angle of inclination to the optical axis is required, diffraction analogues of axicons are often used.…”

Section: Introductionmentioning

confidence: 99%

Refractive Bi-Conic Axicon (Volcone) for Polarization Conversion of Monochromatic Radiation

et al. 2022

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A new element is proposed for producing an azimuthally polarized beam with a vortex phase dependence. The element is formed by two conical surfaces in such a way that the optical element resembles a mountain with a crater on top, like a volcano (volcanic cone is volcone). The element in the form of a refractive bi-conic axicon is fabricated by diamond turning, in which an internal conical cavity is made. Polarization conversion in this optical element occurs on the inner surface due to the refraction of beams at the Brewster angle. The outer surface is used to collimate the converted beam, which significantly distinguishes the proposed element from previously proposed approaches. The paper describes a method for calculating the path of beams through a refractive bi-conic axicon, taking into account phase and polarization conversions. In the case of incident circularly polarized radiation, azimuthally polarized ring-shape beam radiation is generated at the output. The proposed element is experimentally made of polymethyl methacrylate on a CNC milling machine. The experiment demonstrates the effectiveness of the proposed element.

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Measurement of base angle of an axicon lens based on auto-collimation optical path

Cited by 10 publications

References 19 publications

Modern Types of Axicons: New Functions and Applications

Modern Types of Axicons: New Functions and Applications

Refractive multi-conical elements for cylindrical vector beam generation

Refractive Bi-Conic Axicon (Volcone) for Polarization Conversion of Monochromatic Radiation

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