Reliability study of holographic optical elements made with DuPont photopolymer

Yeh, James Jang-Hun; Harton, A.; Wyatt, K.

doi:10.1364/ao.37.006270

Cited by 12 publications

(6 citation statements)

References 7 publications

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“…Such techniques and applications of photopolymers can e.g. be found in [32]- [35]. In [32] a novel photopolymer is proposed, in which a refractive index difference up to ∆n = 0.45 has been generated at λ = 633 nm.…”

Section: Fabricationmentioning

confidence: 99%

Design concepts for broadband high–efficiency DOEs

Kleemann¹,

Seesselberg²,

Ruoff³

2008

J. Eur. Opt. Soc.-Rapid Publ.

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Several design-concepts are presented for so-called efficiency achromatized diffractive optical elements (EA-DOEs) possessing a diffraction efficiency larger than 97% over a broad spectral range. We start with tracing two different methods for surface relief profiles well known from the literature: common depth and multilayer EA-DOEs. Successively we present the following new approaches together with design parameters and performance properties: 1) gradient-index EA-DOEs, 2) sub-wavelength EA-DOEs, and 3) a so-called cut-and-paste strategy. All designs are based on scalar assumptions and certain necessary dispersion relations of two different materials. The scalar assumption is no real limitation as the minimum zone width of our main application, the correction of chromatic aberrations, is 50. .. 100 times the wavelength. From aforementioned relations, design parameters as profile heights are derived and the resulting diffraction efficiency can be deduced. Moreover, for the multilayer and for the GRIN EA-DOEs we are able to show that if the dispersion relations of the materials can be accurately described by second order Cauchy series, the efficiency becomes generic and will be the same regardless of which materials are chosen.

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Section: Fabricationmentioning

confidence: 99%

Design concepts for broadband high–efficiency DOEs

Kleemann¹,

Seesselberg²,

Ruoff³

2008

J. Eur. Opt. Soc.-Rapid Publ.

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“…͑24͒ as boundaries in our prediction. Despite the complication of the properties of the material, holograms made from the Du-Pont film were reported to be capable of withstanding extreme temperatures ͑Ϫ55°C to ϩ125°C͒, heavy relative humidity, and accelerated thermal cycling, 33 which could possibly make the film an excellent candidate for grating materials in optical communications.…”

Section: A Thermal Analysis Of a Packaged Devicementioning

confidence: 99%

Temperature sensitivity of passive holographic wavelength-division multiplexers–demultiplexers

Deng

Zhao

et al. 2000

Appl. Opt.

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We derive a set of concise formulas to characterize the temperature sensitivity of holographic wavelength-division multiplexers-demultiplexers (H-MUX's-H-DMUX's). The normalized parameters such as dispersion abilities, central wavelength shift rate, and variations of insertion loss hold for general grating-based wavelength-division multiplexing-demultiplexing (WDM-WDDM) structures. The results are applicable to both wide-WDM-WDDM and dense ones working in 800-, 1300-, and 1550-nm optical wavelength windows, regardless of whether their input-output ports are single-mode or multimode fibers. Detailed analysis and experiments are carried out on a fully packaged four-channel H-MUX-H-DMUX. The experimental results at temperatures from 25 to 80 degrees C fit nicely with the theoretical prediction. We conclude that passive grating-based H-MUX's-H-DMUX's are promising for meeting the requirements on temperature sensitivity in optical data communications and telecommunications. Most of the analysis can be applied to other types of Bragg-grating-based WDM-WDDM.

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“…Note that similar values have been found in other polymer types'3. The fitting parameter also permits to determine another interesting parameter which is the index ratio between (11) Tin. (s) 1600 …”

Section: Diffusion Parameter Measurementmentioning

confidence: 99%

<title>Optimization of holograms recorded in DuPont photopolymer</title>

et al. 2000

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Substrate-Mode gratings are used to couple and influence the signals that propagate in planar-integrated optical systems. Volume holograms are especially well suited for this role because they allow the recording of slanted fringe gratings. Photopolymer are among the best candidates for such applications due to easy handling, dry development process, high diffraction efficiency and replication possibilities. In this paper, we investigate the recording dynamics of OmnidexTM photopolymer from DuPont. We use the theoretical diffusion model proposed by Zhao and Mouroulis in order to simulate the recording process. Two different experiments are described that lead to the quantitative determination of kinetic parameters in this material. These values are introduced in the diffusion model and different recording procedures are simulated. The conclusion shows that it could be valuable to let the material in the dark for several minutes before develop it. This investigation should improve the understanding of recording process and consequently it should permit to build more efficient components.

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Reliability study of holographic optical elements made with DuPont photopolymer

Cited by 12 publications

References 7 publications

Design concepts for broadband high–efficiency DOEs

Design concepts for broadband high–efficiency DOEs

Temperature sensitivity of passive holographic wavelength-division multiplexers–demultiplexers

<title>Optimization of holograms recorded in DuPont photopolymer</title>

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