Abstract: A method and an apparatus for allocating a resource are provided according to the embodiments. The method may include: extracting a resource category matching a target subserver and a required quota corresponding to the resource category from a request sent by a client side; determining a number of subservers is a subserver group receiving the request; determining a globally available quota and a total limit matching the resource category; determining a limit matching the resource category in the target subserver based on the total limit and the number of subservers; and performing resource allocation for a resource quantity corresponding to the required quota of the request based on a comparison between the required quota and the limit of the target subserver. The embodiment achieves reducing the number of applications for the globally available quota, thus accelerating processing the request by the server.

Abstract: A method and an apparatus for allocating a resource are provided according to the embodiments. The method may include: extracting a resource category matching a target subserver and a required quota corresponding to the resource category from a request sent by a client side; determining a number of subservers is a subserver group receiving the request; determining a globally available quota and a total limit matching the resource category; determining a limit matching the resource category in the target subserver based on the total limit and the number of subservers; and performing resource allocation for a resource quantity corresponding to the required quota of the request based on a comparison between the required quota and the limit of the target subserver. The embodiment achieves reducing the number of applications for the globally available quota, thus accelerating processing the request by the server.

Abstract: A laser beam combining system, including at least one beam combining unit. The beam combining unit includes reflective device, polarization conversion element and beam combining device. The reflective device includes two reflective surfaces configured to divide a high-polarization laser into a first beam and a second beam. The first beam is incident on the beam combining device. The polarization conversion element is provided on a propagation path of the second beam to convert the second beam into a light having a polarization direction perpendicular to an original polarization direction of the second beam. The converted light is guided to the beam combining device which is configured to combine the first beam and the converted light into one beam for outputting.

Abstract: A laser beam combining system, including at least one beam combining unit. The beam combining unit includes reflective device, polarization conversion element and beam combining device. The reflective device includes two reflective surfaces configured to divide a high-polarization laser into a first beam and a second beam. The first beam is incident on the beam combining device. The polarization conversion element is provided on a propagation path of the second beam to convert the second beam into a light having a polarization direction perpendicular to an original polarization direction of the second beam. The converted light is guided to the beam combining device which is configured to combine the first beam and the converted light into one beam for outputting.

Abstract: The present invention provides a spectral beam combined laser system comprising an optical gain element array, a transform element, a diffraction element and a reflecting element, which are sequentially positioned in an optical path, wherein said optical gain element array comprises a plurality of gain elements radiate laser beams having different wavelength; said transform element focuses and spatially overlaps the laser beams received from said optical gain element array at said diffraction element; said diffraction element diffracts the laser beams spatially overlapped by the transform element to the reflecting element; and said reflecting element feeds back a portion of the laser beams to the optical gain element array in a V-shaped off-axis external cavity with off-axis angle, wherein said V-shaped off-axis external cavity is formed between the reflecting element and the optical gain element array.

Abstract: The present invention provides a spectral beam combined laser system comprising an optical gain element array, a transform element, a diffraction element and a reflecting element, which are sequentially positioned in an optical path, wherein said optical gain element array comprises a plurality of gain elements radiate laser beams having different wavelength; said transform element focuses and spatially overlaps the laser beams received from said optical gain element array at said diffraction element; said diffraction element diffracts the laser beams spatially overlapped by the transform element to the reflecting element; and said reflecting element feeds back a portion of the laser beams to the optical gain element array in a V-shaped off-axis external cavity with off-axis angle, wherein said V-shaped off-axis external cavity is formed between the reflecting element and the optical gain element array.