The optics of spectral devices at the turn of the century

Peisakhson, I. V.

doi:10.1364/jot.69.000017

Cited by 3 publications

(2 citation statements)

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“…This shows the extremely high dispersion of the surface polaritonic crystal, which is estimated from the measured images to be about 20-30 =nm in this spectral range [13]. This value is an order of magnitude higher than the values 1-2 =nm reported with photonic crystal superprisms [7,8] and 2 orders of magnitude higher than those observed with conventional planar diffraction gratings [3,14].…”

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confidence: 81%

“…The control of aberration is limited to a relatively narrow wavelength range, and additional components are also needed for coupling to optical fibers or waveguides [3,4]. Diffraction gratings based on planar waveguide technology are limited to a relatively small size because of the difficulty of controlling the substrate quality over a large area, and they suffer from strong scattering and require complex waveguide fabrication [4,5].…”

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Dispersing Light with Surface Plasmon Polaritonic Crystals

et al. 2007

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Spectral dispersion of light on a finite-size surface plasmon polaritonic (SPP) crystal has been studied. The angular wavelength separation of one or more orders of magnitude higher than in other state-of-theart wavelength-splitting devices available to date has been demonstrated. The two-stage process is responsible for the dispersion value, which involves conversion of the incident light into SPP Bloch modes of a nanostructure followed by the SPP Bloch waves refraction at the SPP crystal boundary. The high spectral dispersion achievable in plasmonic devices may be useful for integrated high-resolution spectroscopy in nanophotonic, optical communication and lab-on-a-chip applications. DOI: 10.1103/PhysRevLett.99.083901 PACS numbers: 42.79.Dj, 42.25.Fx, 78.67.ÿn, 78.68.+m Recent progress in photonics and integrated optics presents many challenges for development of micro-and nano-integrated components capable of routing and manipulating light waves in confined geometries. To this end, plasmonic devices offer a range of functionalities for guiding of light and its control with external signals, enhancing nonlinear interactions, and designing optical transmission and reflection properties, all with planar, subwavelength size components [1,2]. After development of many basic elements of two-dimensional (2D) surface plasmon polaritonic (SPP) optics [2], a search for additional functionalities in SPP-based devices continues to attract significant attention for applications in various areas of science and technology.One of the functionalities that has not yet been addressed with plasmonic waves is dispersion and spectral analysis. Since the first experiments by Newton on light dispersion in a glass prism, the spectral dispersion of light -that is, the dependence of generalized refractive index on frequency-is ubiquitous in applications ranging from spectroscopic devices to sensing and novel optical communication technologies. Very recently, new challenges have arisen for spectroscopic devices needed in optical switching and routing of information according to its frequency (color), to develop compact devices that can be integrated into photonic circuits of the future or into labon-a-chip applications for in situ spectral functionality. These cover high-resolution spectroscopy, wavelength demultiplexing of optical signals, ultrashort pulse analysis, and many others.Although free-space plane and concave gratings can achieve high values of spectral dispersion, their disadvantages are that they are bulky and require discrete optical components. The control of aberration is limited to a relatively narrow wavelength range, and additional components are also needed for coupling to optical fibers or waveguides [3,4]. Diffraction gratings based on planar waveguide technology are limited to a relatively small size because of the difficulty of controlling the substrate quality over a large area, and they suffer from strong scattering and require complex waveguide fabrication [4,5].Recently two-dimensional spectral dispersion...

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Dispersing Light with Surface Plasmon Polaritonic Crystals

et al. 2007

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Plasmonic Crystals: Controlling Light With Periodically Structured Metal Films

2015

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Afocal Systems Formed by Mirror Off-Axis Paraboloid

Артюхина¹,

Пероса²,

Самбрано³

2017

Nauka teh.

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Mirror systems make it possible to reduce device dimensions and its weight while preserving high input aperture and these systems are characterized by a number of other advantages. Their significant disadvantage is a central screening of an entrance pupil that leads to lower image quality. The paper contains description of the investigations on afocal systems formed by eccentrically cut-out mirror paraboloids (off-axis mirrors) where aperture diaphragm is displaced in the meridian plane for a defined value and a central field point is located on the optical axis. The canonic Mersenne systems are accepted as base schemas (modules) for these compositions. The paper considers two types of such systems: visible increases – Г > 0 and Г < 0. Algorithms for calculation of centered afocal systems with two and four reflections have been written in the paper and the systems are free from spherical aberration, coma, astigmatism when an input pupil is located in superimposed focal planes of all parabolic mirrors. An aberration in curvature image has been additionally corrected in three-mirror quart-parabolic scheme which is a combination of two classical telescopic Mersenne systems. The paper presents schemes and calculation results. Two-mirror schemes with non-screened input pupil have been studied in the paper and in this case all the system remains centered and an aperture diaphragm is decentered for the distance Cm which is commensurable with the diaphragm size. The paper contains description of the investigated afocal schemes with four reflections from off-axis mirror paraboloids, a prepared algorithm for calculation, the obtained formulas for making combination of canonic afocal systems formed by two mirrors. Computer simulation in software environment Opal and Zemax has been carried out in the paper. Basic description has been prepared while using two alternative methods for the class of decentered systems and aberration characteristics and schematic solutions for telescopic systems without screening with two and four reflections have been ob-tained in the paper. Two-mirror afocal systems with low-powered magnification are of some interest for practical application as accessories for registering object lenses.

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The optics of spectral devices at the turn of the century

Cited by 3 publications

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Dispersing Light with Surface Plasmon Polaritonic Crystals

Dispersing Light with Surface Plasmon Polaritonic Crystals

Plasmonic Crystals: Controlling Light With Periodically Structured Metal Films

Afocal Systems Formed by Mirror Off-Axis Paraboloid

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