Figure 24

(a and b) The image of a microhole array throughout a 1 cm × 1 cm large area using the flying punch method for Bessel beam; (c) the local magnified OTM image of a microhole array; (d) the local magnified OTM image of microholes in the central array under 100 × microscope objective. Reproduced from Ref. 132 (with the permission of Springer).