ArticleOptical engineering (Redondo Beach, Calif.)2016
Design and fabrication of a miniature objective consisting of high refractive index zinc sulfide lenses for laser surgery.
Article in Optical engineering (Redondo Beach, Calif.), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Miniature, multi-dichroic instrument for measuring the concentration of multiple fluorophores.Biomedical optics express · 2024Article
- Kagome fiber based ultrafast laser microsurgery probe delivering micro-Joule pulse energies.Biomedical optics express · 2016Article
Corrections and comments
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Authors and funding
7 authors.
Funding
Abstract
A miniature laser ablation probe relying on an optical fiber to deliver light requires a high coupling efficiency objective with sufficient magnification in order to provide adequate power and field for surgery. A diffraction-limited optical design is presented that utilizes high refractive index zinc sulfide to meet specifications while reducing the miniature objective down to two lenses. The design has a hypercentric conjugate plane on the fiber side and is telecentric on the tissue end. Two versions of the objective were built on a diamond lathe-a traditional cylindrical design and a custom-tapered mount. Both received an antireflective coating. The objectives performed as designed in terms of observable resolution and field of view as measured by imaging a 1951 USAF resolution target. The slanted edge technique was used to find Strehl ratios of 0.75 and 0.78, respectively, indicating nearly diffraction-limited performance. Finally, preliminary ablation experiments indicated threshold fluence of gold film was comparable to similar reported probes.
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