Patents

An apparatus for detecting fluorescent light emitted from a sample comprises: a light source (210; 310, 318), which is configured to emit excitation light of an excitation wavelength towards a sample comprising fluorophores such that fluorescent light is induced; a photo-detector (206) for detecting light incident on the photo-detector (206); and an interference filter (204; 304) arranged on the photo-detector (206), wherein the interference filter (204; 304) is configured to selectively collect and transmit light towards the photo-detector (206) based on an angle of incidence of the light ...

Thus, there is a need in the art for an operational device that under sunlight does generate hydrogen from ambient air humidity. Present invention provides such solution, without any water oxidation co-catalyst (e.g. IrRuOx), by a hydrogen generating device comprising at least one semiconductor photoanode which surprisingly performs the water oxidation without back reaction and without deteriorated photoefficiency. In a particular embodiments this device to improve efficiency under ambient conditions of air and sunlight comprises an illumination controller, such controller can be 1) an ...

The present invention provides an apparatus for detecting photoluminescent light emitted from a sample, said apparatus (200; 300) comprising at least one light source (210; 310, 318), which is configured to emit light of a first and a second wavelength towards a sample comprising photoluminescent particles, wherein said first wavelength is an excitation wavelength for inducing photoluminescent light from said photoluminescent particles, and wherein said second wavelength is longer than said first wavelength and for gathering background noise information from said sample. The apparatus further ...

The present invention provides an apparatus for detecting photoluminescent light emitted from a sample, said apparatus (200; 300) comprising at least one light source (210; 310, 318), which is configured to emit light of a first and a second wavelength towards a sample comprising photoluminescent particles, wherein said first wavelength is an excitation wavelength for inducing photoluminescent light from said photoluminescent particles, and wherein said second wavelength is longer than said first wavelength and for gathering background noise information from said sample. The apparatus further ...

For imaging light emitting objects on an image sensor (6), first and second partial beams (21, 22) are split off light (14) coming from the objects. On the same image sensor, at a same magnification, and in a same orientation, first and second images of the objects are simultaneously formed of the first and second partial beams, respectively. The first and second images overlap on the image sensor, and a lateral offset (41) between the first and second images on the image sensor is at least 100 % of a maximum full width at half maximum in direction of the lateral offset of first and second ...

An optical module (17) for imaging light emitting objects on an image sensor (6) comprises a polarizing beam splitter (PBS) (23) having an entrance face (24), an exit face (27), a first return face (25) and a second return face (26), a first reflector (28) facing the first return face (25), a first achromatic quarter-wave retardation plate (30) between the first return face (25) and the first reflector (28), a second reflector (29) facing the second return face (26), and a second achromatic quarter-wave retardation plate (31) between the second return face (26) and the second reflector (29). ...

The invention concerns an improved system and method for ventilating and illuminating an operating area. The system comprises an air pressure chamber and a lighting system, the lighting system providing one or more directed light beams of which the origin and direction can be controllably altered with respect to the air pressure chamber. The chamber comprises a transparent wall with a set of perforations for creating a substantially laminar air flow on the outside of the air pressure chamber. It further provides a use of a transparent plate for illuminating and creating a laminar air flow in ...

A method for measuring a concentration of a biogenic substance in a living body includes steps of: preparing an apparatus including a light source, a substrate which has periodic metal structures and generates surface enhanced Raman scattering light by being irradiated with light from the light source, and spectroscopic means which disperses and detects the light, wherein the periodic metal structure is arranged with first and second distances in first and second direction respectively, the first distance is set to generate surface plasmon by matching a phase of the light from the light ...

The invention relates to an imaging device (1) comprising a photonic integrated circuit (2). This photonic integrated circuit comprises an integrated waveguide (4) for guiding a light signal (5), a light coupler (8) optically coupled to the integrated waveguide (4) and adapted for directing the light signal (5) out of the plane of the waveguide (4) as a light beam (9), and a microfluidic channel (98) for containing an object (12) immersed in a fluid medium. The microfluidic channel is configured to enable, in operation of the device, illumination of the object by the light beam. The ...

Method and system for transmitting information from a transmitting location, comprising: a multimode connection having an input located at said transmitting location and having an output located at said receiving location, coherent light generating means at said transmitting location operable to provide a plurality of coherent light beams to said transmitting location by way of space domain modulation of said coherent light beams, means providing space domain modulation of said coherent light beams to the input of said multimode connection, said multimode connection operating to provide a ...