Abstract: The present invention relates to a method of re-connecting a first optical fiber (12) with a second optical fiber (34), the first fiber (12) and the second fiber (34) each having a plurality of outer cores, comprising: (a) positioning a first end section of the first fiber (12) and a second end section of the second fiber (34) in proximity so as to be aligned with one another along a longitudinal axis of the first and second end sections in a current connection position including a current connection orientation, in which a current relative rotational angle between the first and second end sections about the longitudinal axis is not known with respect to a relative rotational angle between the first and second end sections in a registered connection orientation determined with respect to a coordinate system during a previous connection of the first fiber (12) with the second fiber (34); (b) optically interrogating the outer cores of the first and second fibers (12, 34) through the current connection position

Abstract: An arrangement having a birefringent component is provided for use in spatial offset measurements and analysis systems. The birefringent optical arrangement provides different directional control of the excitation signal relative to the emission signal, so that offset between an excitation and emission location on a sample can be controlled for both or only one of the excitation signal relative to the emission signal.

Abstract: An arrangement having a birefringent component is provided for use in spatial offset measurements and analysis systems. The birefringent optical arrangement provides different directional control of the excitation signal relative to the emission signal, so that offset between an excitation and emission location on a sample can be controlled for both or only one of the excitation signal relative to the emission signal.

Abstract: A method of leak-testing an electroluminescent device includes enclosing at least one light emitting diode (LED) including LED material in a housing of the electroluminescent device such that at least a surface portion of the LED material is in contact with atmosphere within the housing, and measuring photo-oxidation of the LED material.

Abstract: A method of detecting the leak-in of oxygen in an organic electroluminescent device via the extent of photo-degradation of the electroluminescent organic material is described. The photo-degradation of the electroluminescent organic material is induced by the presence of oxygen, and can be detected by comparing the photo luminescence of the material, before and after illumination of the material with light (e.g. form a laser).