Hemispherical-rod microlens as a variant fractional Fourier transformer
| Autor: | Jochen Bähr, Karl-Heinz Brenner, Ulrich Krackhardt, Daniela Dragoman, Mircea Dragoman |
|---|---|
| Rok vydání: | 2007 |
| Předmět: |
Microlens
Materials science medicine.diagnostic_test business.industry Short-time Fourier transform Atomic and Molecular Physics and Optics Fractional Fourier transform symbols.namesake Optics Fourier transform Fourier analysis symbols medicine Light beam Optical tomography Harmonic wavelet transform business |
| Zdroj: | Optics letters. 23(19) |
| ISSN: | 0146-9592 |
| Popis: | It is shown that a hemispherical-rod microlens can act as a fractional Fourier transform device with a continuously varying degree of fractionality. It is believed to be the first proposed device to perform such a task; its most immediate applications include optical tomography. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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