Reflection/transmission confocal microscopy characterization of single-crystal diamond microlens arrays

E. Gu, H. W. Choi, C. Liu, C. Griffin, J. M. Girkin, I. M. Watson, M. D. Dawson, G. McConnell, A. M. Gurney

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The microlens arrays in type-IIa natural single-crystal diamond were fabricated using the method of photoresist reflow and inductively coupled plasma etching. A laser scanning reflection/transmission confocal microscopy technique has been developed to characterize the optical properties of diamond microlens arrays. It was found that the technique enabled the surface profile of the microlenses to be measured simultaneously with optical parameters including focal length and spot size. The results show that the type-IIa single-crystal diamond microlenses will enable applications in photonics and optoelectronics.
    Original languageEnglish
    Pages (from-to)2754-2756
    Number of pages2
    JournalApplied Physics Letters
    Volume84
    Issue number15
    DOIs
    Publication statusPublished - 12 Apr 2004

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