Cellophane film as half wave retarder of wide spectrum

Ortíz-Gutiérrez, Mauricio; Olivares‐Pérez, A.; Sánchez-Villicaña, V.

doi:10.1016/s0925-3467(00)00102-6

Cited by 15 publications

(9 citation statements)

References 4 publications

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“…Unfortunately, both of these wavelength ranges are just outside of the visible spectrum, and thus this tape is not particularly useful as a demonstration of a half-waveplate in the visible regime. Furthermore (and contrary to some reports in the literature [7,15,16] ), while the six samples studied in this work display a range of birefringence and thicknesses, no sample was found to act as a half-waveplate between 450 nm and 700 nm.…”

Section: Transmission Analysiscontrasting

confidence: 99%

“…[7] Over the years there have been numerous investigations of birefringence in transparent polymer films. [7][8][9][10][11][12][13][14][15][16][17] Most of these investigations measure the mean index of refraction n or the maximum difference in index between perpendicular polarizations, (i.e., the birefringence Dn) at single or discrete wavelengths, [8][9][10][15][16][17] where the wavelengths are often chosen by the availability of laser sources. [7] In fact, both detailed quantitative measurements and classroom laboratory demonstrations of polarization-dependent optical phenomena typically involve narrowband (or monochromatic) sources.…”

Section: Introductionmentioning

confidence: 99%

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Quantitative measurement of birefringence in transparent films across the visible spectrum

Slepkov

2022

American Journal of Physics

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Common transparent polymer films, such as cellophane and household tape, are frequently used as examples of birefringent materials in textbooks and classroom demonstrations. Qualitatively, birefringence is often demonstrated by layering such films between crossed-polarizers. In this work, we describe an inexpensive experimental setup for the quantitative measurement of birefringence in common household films, suitable for senior high school or undergraduate labs. Whereas traditional approaches for polarization-based classroom experiments typically use monochromatic laser light, we encourage the combined use of an incoherent incandescent light source and a portable spectrometer. In addition, we demonstrate how any concomitant thin-film interference effects can be used to separately measure the optical thickness in the most heterogeneous and uniform films. Such measurement can then be used as an independent experimental confirmation of either the film's index of refraction or its thickness, given knowledge of the other. In an effort to provide examples for the data analysis procedures as well as to investigate a range of materials, we measure the birefringence across the visible spectrum of six common household polymer films, including thin kitchen wrap, cellophane, gift basket film, and common adhesive tapes.

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Section: Transmission Analysiscontrasting

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Quantitative measurement of birefringence in transparent films across the visible spectrum

Slepkov

2022

American Journal of Physics

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“…Cellophane paper is a commercially available material for packing and biomedical applications, thus the realization of PSCs on cellophane paper is of great importance to provide integrated functionality in ubiquitous products, especially as power source for paper‐based electronics . To the best of our knowledge, there is no report on PSCs fabricated on cellophane paper.…”

Section: Resultsmentioning

confidence: 99%

“…In addition, the PSCs on cellophane paper possessed high power weight ratio of 3.89 W g À1 at a weight area ratio of 33.9 g m À2 , which was a relative high value among the reported photovoltaic technologies. [27] Cellophane paper is a commercially available material for packing and biomedical applications, [28][29] thus the realization of PSCs on cellophane paper is of great importance to provide integrated functionality in ubiquitous products, especially as power source for paper-based electronics. [30][31] To the best of our knowledge, there is no report on PSCs fabricated on cellophane paper.…”

Section: Photovoltaic Performance Of Perovskite Solar Cells On Cellopmentioning

confidence: 99%

Highly Foldable and Efficient Paper‐Based Perovskite Solar Cells

Wang

et al. 2019

Solar RRL

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Foldable paper‐based solar cells are attractive power sources for wearable and portable applications. Currently, low power conversion efficiency (PCE) and degradation under different folding conditions restrict practical applications of paper‐based solar cells. Herein are constructed solar cells on cellophane paper using oxide/ultrathin Ag/oxide (OMO) and perovskite as electrodes and absorbers, respectively. The perovskite solar cell (PSC) on cellophane exhibits a PCE of 13.19%, the highest among all the paper‐based solar cells. More importantly, beneficial from ultrathin cellophane substrates combined with foldable OMO electrodes, PSCs on paper exhibit 50 single folding and 10 dual folding stability: they preserve 85.3 and 84.1% of the initial PCE after −180° and +180° single folding for 50 cycles, respectively; and they remain 67.2 and 55.3% of the initial PCE after 10 inner and outer dual folding cycles, respectively. Furthermore, the solar cells after dual folding show serious cracks and delamination, leading to faster degradation than single folding. The highly efficient, foldable, and lightweight PSCs on cellophane are promising for future self‐powered paper‐based electronic applications.

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“…Other material that can be made, as retarder is the cellophane film, and this exhibits the same behavior as half wave retarder plate for visible spectrum from 400 nm to 700 nm 1,2 .…”

Section: Introductionmentioning

confidence: 99%

<title>Ronchi retarder gratings as polarization modulators</title>

et al. 2002

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We shown Ronchi grating made of cellophane; this device has the particularity of modulate the polarization state of an arbitrary polarized source. The grating period can be design to obtain two linear perpendicular polarization states, horizontal and vertical, or circular, right and left if the source has linear or circular polarization state respectively. With this grating, we can modulate or demodulate images for stereoscopic applications.

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Cellophane film as half wave retarder of wide spectrum

Cited by 15 publications

References 4 publications

Quantitative measurement of birefringence in transparent films across the visible spectrum

Quantitative measurement of birefringence in transparent films across the visible spectrum

Highly Foldable and Efficient Paper‐Based Perovskite Solar Cells

<title>Ronchi retarder gratings as polarization modulators</title>

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