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Confocal Raman Microscopy with Adaptive Optics
J. D. Munoz-Bolanos, P. Rajaeipour, K. Kummer +4
Confocal Raman microscopy, a highly specific and label-free technique for the microscale study of thick samples, often presents difficulties due to weak Raman signals. Inhomogeneou…
Complex-valued scatter compensation in nonlinear microscopy
Maximilian Sohmen, Maria Borozdova, Monika Ritsch-Marte +1
Nonlinear, i.e., multi-photon microscopy is a powerful technique for imaging deep into biological tissues. Its penetration depth can be increased further using adaptive optics. In…
Optofluidic adaptive optics in multi-photon microscopy
Maximilian Sohmen, Juan D. Muñoz-Bolaños, Pouya Rajaeipour +3
Adaptive optics in combination with multi-photon techniques is a powerful approach to image deep into a specimen. Remarkably, virtually all adaptive optics schemes today rely on wa…
Roadmap for Optical Tweezers
Giovanni Volpe, Onofrio M. Maragò, Halina Rubinzstein-Dunlop +80
Optical tweezers are tools made of light that enable contactless pushing, trapping, and manipulation of objects ranging from atoms to space light sails. Since the pioneering work b…
Generally applicable holographic torque measurement for optically trapped particles
Franziska Strasser, Stephen M. Barnett, Monika Ritsch-Marte +1
We present a method to measure the optical torque applied to particles of arbitrary shape held in an optical trap, inferred from the change of angular momentum of light induced by…
Sensorless wavefront correction in two-photon microscopy across different turbidity scales
Maximilian Sohmen, Molly A. May, Nicolas Barré +2
Adaptive optics (AO) is a powerful tool to increase the imaging depth of multiphoton scanning microscopes. For highly scattering tissues, sensorless wavefront correction techniques…
Electromagnetic Angular Momentum
Masud Mansuripur
This article was published as Sec.5 of the "Roadmap on Structured Light" in Journal of Optics 19 (2017) 013001. Section 5 describes the essential elements of the classical theory o…
Electromagnetic Force and Momentum
Masud Mansuripur
This article was published as Sec.4 of the "Roadmap on Structured Light" in Journal of Optics 19 (2017) 013001. Section 4 describes the essential elements of the classical theory o…
Optomechanical deformation and strain in elastic dielectrics
Matthias Sonnleitner, Monika Ritsch-Marte, Helmut Ritsch
Light forces induced by scattering and absorption in elastic dielectrics lead to local density modulations and deformations. These perturbations in turn modify light propagation in…
Nanosecond microscopy with a high spectroscopic resolution
Christoph Heinrich, Stefan Bernet, Monika Ritsch-Marte
We demonstrate coherent anti-Stokes Raman scattering (CARS) microscopy in a wide-field setup with nanosecond laser pulse excitation. In contrast to confocal setups, the image of a…