Microoptics

Sinzinger, Stefan; Jahns, Jürgen

doi:10.1002/3527603409

Cited by 198 publications

(175 citation statements)

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“…The two latter instruments were developed at the Erlangen-Nürnberg University. According to the lens quality criteria [1] we then decide whether the microlenses are showing a diffraction-limited optical performance. In a final section we assess each fabrication technique on the basis of the measured geometrical and optical characteristics, on the range of materials in which they can be produced, on the feasibility of replicating the microlenses and on the possibility of monolithic integration with other micro-optical components or structures.…”

Section: Discussion Of Various Microlens Fabrication Techniques and Omentioning

confidence: 99%

“…Before discussing the microlens characteristics we first explain briefly the Rayleigh and Maréchal criterion, of which a more extensive explanation can be found in the literature [1]. The widely used Rayleigh criterion states that a system is diffraction limited as long as the maximum wavefront deviation |ψ max (x)| is less than one-quarter of a wavelength.…”

Section: Discussion and Comparison Of Refractive Microlenses Manufactmentioning

confidence: 99%

“…components [1]. Over the last 15 years several research groups and industrial research laboratories have therefore been focusing their attention on the development of fabrication techniques for refractive microlenses and microlens arrays.…”

Section: Microlens Fabrication Techniques: the Timelinementioning

confidence: 99%

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Comparing glass and plastic refractive microlenses fabricated with different technologies

Ottevaere¹,

Cox²,

Herzig³

et al. 2006

J. Opt. A: Pure Appl. Opt.

167

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We review the most important fabrication techniques for glass and plastic refractive microlenses and we quantitatively characterize in a systematic way the corresponding state-of-the-art microlenses, which we obtained from selected research groups. For all our measurements we rely on three optical instruments: a non-contact optical profiler, a transmission Mach-Zehnder interferometer and a Twyman-Green interferometer. To conclude, we survey and discuss the different fabrication techniques by comparing the geometrical and optical characteristics of the microlenses, the range of materials in which the lenses can be produced, their potential for low-cost fabrication through mass-replication techniques and their suitability for monolithic integration with other micro-optical components.

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Section: Discussion Of Various Microlens Fabrication Techniques and Omentioning

confidence: 99%

Section: Discussion and Comparison Of Refractive Microlenses Manufactmentioning

confidence: 99%

See 1 more Smart Citation

Comparing glass and plastic refractive microlenses fabricated with different technologies

Ottevaere¹,

Cox²,

Herzig³

et al. 2006

J. Opt. A: Pure Appl. Opt.

167

View full text Add to dashboard Cite

show abstract

“…However, as the size of the lens decreases by a scale factor S < 1, it can be shown that the aperture diameter D , physical feature size ( x , y , z ) and focal length f scale as ( [2] , Chapter 2):…”

Section: Refractive Opticsmentioning

confidence: 99%

Micro-optics: a micro-tutorial

Zappe

2012

Advanced Optical Technologies

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Micro-optics represents a rich discipline with many features not found in classical optics. Yet micro-optics is not merely ' small optics ' . Using the technologies of microfabrication, entirely new fabrication processes, new materials and new types of optical devices have been conceived. Here, we provide a brief introduction to the fi eld, discussing a variety of miniaturized optical components, as well as the materials from which they are made and the novel technologies used to fabricate them. Designed as a tutorial, this brief pr é cis includes adequate literature references to guide the interested reader to more in-depth treatments.

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“…Of critical importance for the laser developer are the thickness of the heatspreader and the microlens radius of curvature (ROC), as these parameters define the cavity mode size (largely constant in these short cavities). In practice, the microlens focal length is controlled by the thickness of the spun photoresist, the diameter of the disk pattern to be melted and the etching selectivity between the photoresist and heatspreader material [146].…”

Section: Compact Modulesmentioning

confidence: 99%

Semiconductor disk lasers for the generation of visible and ultraviolet radiation

Calvez¹,

Hastie

Guina

et al. 2009

Laser & Photonics Reviews

154

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Recent developments in semiconductor disk lasers (SDLs) generating visible or ultraviolet light are reviewed. After an introduction on potential applications, we discuss how the combination of vertical-emitting semiconductor GaAs-based structures and intra-cavity nonlinear conversion techniques can be successfully exploited to uniquely meet demands for continuous-wave radiation in the visible and ultraviolet spectral range. To do so, an overview of the device operating principles and performance is presented highlighting the underlying material considerations, semiconductor structural designs, thermal management techniques and suitable cavity configurations. This summary is completed by a presentation of new developments in the field, with a particular focus on the trends towards miniaturization.Green-pumped direct-red-emitting Semiconductor Disk Laser.

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Microoptics

Cited by 198 publications

References 0 publications

Comparing glass and plastic refractive microlenses fabricated with different technologies

Comparing glass and plastic refractive microlenses fabricated with different technologies

Micro-optics: a micro-tutorial

Semiconductor disk lasers for the generation of visible and ultraviolet radiation

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