1School of Marine Science and Technology/School of Electronics and Information, Northwestern Polytechnical University, 710072 Xi’an, China

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Pasi Vahimaa, Ville Kettunen, Markku Kuittinen, Jari Turunen, and Ari T. Friberg J. Opt. Soc. Am. A 14(8) 1817-1824 (1997)

Axicontablets

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We study the field that is produced by a paraxial refractive axicon lens. The results from geometrical optics, scalar wave optics, and electromagnetic diffraction theory are compared. In particular, the axial intensity, the on-axis effective wavelength, the transverse intensity, and the far-zone field are examined. A rigorous electromagnetic diffraction analysis shows that the state of polarization of the incident beam strongly affects the transverse intensity distribution, but not the intensity distribution in the far zone.

The compression is very neutral, so you don't really get any help from the lens, like you do with separation on a longer one or distortion on a ...

Bessel beam

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Gaussian beam

Paula Ortega-Vidals, Omar de Jesús Cabrera-Rosas, Ernesto Espíndola Ramos, Salvador Alejandro Juárez Reyes, Israel Julían Macías, Gilberto Silva-Ortigoza, Ramón Silva-Ortigoza, and Citlalli Teresa Sosa-Sánchez J. Opt. Soc. Am. A 34(9) 1670-1678 (2017)

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View the MTF average test results measured by the ultra-high precision Trioptics Imagemaster MTF bench. Compare the MTF results various lenses.

Order Lab Kits · If you have an order from an outside physician and you do not have a Saint Paul VI medical account number (i.e.: other than Dr. · Patients are ...

Hoya 67mm Digital Filter Kit 2 - UV, PL-CIR, Neutral Density 8x, Pouch. Webcode: 248313 • Mfr: HK-DG67-II. 3-Filter Set; UV Ultra-Violet Filter; ND Neutral ...

Axicon

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DETECTOR meaning: a device that can tell if a substance or object is present a device that detects the presence of something.

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Axicon lensThorlabs

Aug 25, 2023 — Optical Density Measurement. The measurement of optical density is done at maxima of the absorbance spectra as there is less chance of ...

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You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution. Contact your librarian or system administrator or Login to access Optica Member Subscription

We study the field that is produced by a paraxial refractive axicon lens. The results from geometrical optics, scalar wave optics, and electromagnetic diffraction theory are compared. In particular, the axial intensity, the on-axis effective wavelength, the transverse intensity, and the far-zone field are examined. A rigorous electromagnetic diffraction analysis shows that the state of polarization of the incident beam strongly affects the transverse intensity distribution, but not the intensity distribution in the far zone.