On the efficient mixed amplitude and phase grating recording in vacuum deposited Disperse Red 1

Taunaumang, Heindrich; Solyga, M.; Tija, M.O.; Miniewicz, Andrzej

doi:10.1016/j.tsf.2004.01.100

Cited by 19 publications

(6 citation statements)

References 26 publications

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“…These properties can be suppressed or enhanced due to specific interactions of the photochromic molecules with various matrices in which they are embedded. [5][6][7][8] The classic azobenzene derivative chromophore, 4-͓N-ethyl-N-͑2-hydroxyethyl͔͒-amino-4Ј-nitro-azobenzene known as disperse red 1 ͑DR1͒, acts as an initiator of photoinduced optical anisotropy changes in different matrices via molecular orientation due to multiple trans-cis-trans photoisomerization cycles. Here we investigate optical properties of DR1-doped deoxyribonucleic acid ͑DNA͒-based biopolymer-a matrix, which can offer a chiral binding of the DR1 molecules to the unique double helix structure of DNA.…”

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confidence: 99%

Deoxyribonucleic acid-based photochromic material for fast dynamic holography

Miniewicz

Kochalska

Myśliwiec

et al. 2007

Applied Physics Letters

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The authors report on a biopolymeric material made of deoxyribonucleic acid ͑DNA͒ complexed with the cationic surfactant cetyltrimethyl-ammonium ͑CTMA͒ and doped with the photochromic disperse red 1 dye ͑DR1͒ for dynamic holographic recording. The molar ratio of the DNA-CTMA to the dye is about 5:1. They have found that the photochromic properties of DR1 in the DNA-CTMA matrix are favorably modified in speed of response with respect to conventional polymeric matrices. Dynamic holographic gratings which were inscribed in DR1:DNA-CTMA films are characterized by switching times within a 1-10 ms range. An excellent reversibility of the recording process is reported.

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confidence: 99%

Deoxyribonucleic acid-based photochromic material for fast dynamic holography

Miniewicz

Kochalska

Myśliwiec

et al. 2007

Applied Physics Letters

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“…Photoinduced dichroism and/or birrefringence were already observed in several systems containing azobenzenes [2][3][4]. The trans-cis isomerization process is reversible, allowing optical information to be recorded, erased and rewritten in real-time.…”

Section: Introductionmentioning

confidence: 93%

Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films

Freschi¹,

Côrtes²,

Donatti³

et al. 2008

AIP Conference Proceedings

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Abstract. In this work we use a stabilized holographic technique to study both refractive index and absorption gratings recorded in thin films made of Disperse Red 1 (DR1) embedded in an organic polymer matrix (PMMA) deposited on glass substrate. Gratings are recorded by linearly polarized illumination with the interference pattern of two crossing beams. One of the beams is phase modulated and the interference signals between the transmitted and diffracted waves are detected by a tuned lock-in amplifier. The technique allows measuring separately changes of the refractive index and the absorption coefficient during the course of the photoreaction process. The time evolution of the diffraction efficiencies during recording has shown bi-exponential kinetics for both gratings.

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“…Moreover, after illumination with laser, experimental diffraction efficiencies η were determined according to the formula [56]:…”

Section: Surface Relief Grating Formationmentioning

confidence: 99%

The novel photoresponsive oligomers containing azo derivatives of sulfamerazine for spontaneous surface relief grating inscription

Korbut

Zielinska

Barille

et al. 2017

European Polymer Journal

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In this work, a novel photoresponsive materials has been successfully developed. We have synthesized the series of azopolymers containing derivatives of sulfamerazine and studied their photochromic properties. The polymers were obtained from methacrylate azomonomers, butyl methacrylate and isobornyl methacrylate by radical polymerization. Spectral properties and photoisomerization kinetic constants were determined for thin transparent films, using UV-Vis spectroscopy. The maximum absorption of the films was observed at 432-440 nm. The obtained materials showed ability to reversible trans-cis photoisomerization. Reversibility of the process was confirmed during ellipsometric measurements. The change of the real part of the complex refractive index induced by laser irradiation was between 0.010 and 0.053. Additionally, some properties of described polymers and azobenzene derivatives were calculated and were utilized in order to better understand the differences in the photochromic behaviour of the new materials. Moreover, we determined the suitability of the obtained azopolymers for spontaneous surface relief grating inscription.Spontaneous surface relief grating recording on the thin azopolymer films was carried out using set-up with one laser beam. The spontaneous SRG was successfully recorded in all investigated polymers.

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On the efficient mixed amplitude and phase grating recording in vacuum deposited Disperse Red 1

Cited by 19 publications

References 26 publications

Deoxyribonucleic acid-based photochromic material for fast dynamic holography

Deoxyribonucleic acid-based photochromic material for fast dynamic holography

Analysis of the kinetics of phase and amplitude gratings recorded in azopolymer films

The novel photoresponsive oligomers containing azo derivatives of sulfamerazine for spontaneous surface relief grating inscription

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