Holographic gratings recorded in polymer hydrogels - an original application as a sensor in aqueous environment
| Autor: | C Ley, I Calderara, D J Lougnot |
|---|---|
| Rok vydání: | 1997 |
| Předmět: |
chemistry.chemical_classification
Materials science Aqueous solution business.industry Applied Mathematics Holography Polymer Osmosis Diffraction efficiency law.invention Optics Chemical engineering chemistry law Phase (matter) Self-healing hydrogels medicine Swelling medicine.symptom business Instrumentation Engineering (miscellaneous) |
| Zdroj: | Measurement Science and Technology. 8:997-1000 |
| ISSN: | 1361-6501 0957-0233 |
| DOI: | 10.1088/0957-0233/8/9/007 |
| Popis: | The degree of swelling of a polymer hydrogel depends on the aqueous solution in which it is immersed, among other factors. When a volume phase hologram is engraved in a hydrogel film, the dependence of its diffraction efficiency on osmosis in saline solution can be used as a probe for measuring the concentration of the solute. The sensitivity of this in-line control technique is better than 20 mg of KBr. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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