摘要:
The disclosed subject matter includes devices and systems for extending the imaging capability of swept, confocally aligned planar excitation (SCAPE) microscopes to in vivo applications. In embodiments, the SCAPE microscope can be implemented as an endoscopic or laparoscopic inspection instrument.
摘要:
In various embodiments, a beam-parameter adjustment system and focusing system alters a spatial power distribution of a plurality of radiation beams before the beams are coupled into an optical fiber.
摘要:
The present invention relates to an optical lens device (1) having an actively controllable focal length. This device comprises an element with lensing effect (2) comprising a plurality of regions (3a,3b). Each such region has a corresponding refractive power for providing a corresponding focal length distinct from the focal length of at least one other region of this plurality of regions. The device further comprises at least one non-centric addressable optical element (4) integrated in or provided on the element with lensing effect (2). This at least one addressable optical element (4) is adapted for changing the transmittance of at least one of the plurality of regions in response to a control signal. The device also comprises a control means (5) for generating the control signal.
摘要:
Gradient Refractive Index (GRIN) optical materials [100] composed of a polymer matrix doped with functionalized nanocrystals realize high values for Vgrin, and hence nearly uniform focal lengths regardless of the wavelength of light. GRIN optical materials having low Vgrin magnitudes less than 10 are also provided.
摘要:
Embodiments for binding material processing of gradient index (GRIN) rods into GRIN lenses attachable to optical devices, components, and methods are disclosed. A cylindrical GRIN rod comprises an optical axis and a longitudinal axis at a center axis, where an index of refraction may be greatest at the optical axis. The GRIN rod includes GRIN lenses along the longitudinal axis. The GRIN lenses include a first optical surface and a second optical surface opposite the first optical surface. Separation processes and devices may separate the GRIN lenses from the GRIN rods and these processes may be automated. Other processes may polish the first and the second optical surfaces. A gripper may insert the GRIN lens into an optical device.
摘要:
Exemplary method and system can be implemented and/or used for providing a diffractive configuration in an optical arrangement can be provided. For example, an elastomeric material can be provided with at least one patterned surface. The elastomeric material can be connected, with at least one portion of a waveguide arrangement using a pre-polymer adhesive composition. Further, the pre-polymer adhesive composition can be caused to polymerize so as to form the diffractive configuration which at least approximately replicate a structure or at least one feature of an elastomeric mold.
摘要:
A multicore collimator collimates light signals transmitted by respective cores of a multicore fiber. An array of gradient-index lens includes a plurality of individual gradient- index lenses corresponding to respective cores of the multicore fiber. The plurality of gradient-index lenses extends through a lens array body between an input end and an output end thereof and has a lens-to-lens spacing that is larger than the core-to-core spacing of the multicore fiber. A taper at the input end of the array of gradient-index lenses provides a tapered transition between the core-to-core spacing of the multicore fiber and the lens-to-lens spacing of the array of gradient-index lenses. The array of gradient-index lenses is configured to collimate the light signals outputs from the coupler, and to provide the collimated light signals as an output at the output end of the array of gradient-index lenses.