北京錦坤科技有限公司

波前傳感器

采用Sharck-Hartmann技術的波前傳感器波前分析儀，用于對激光光束分析，測量光束的波前參數。能測量M^2，激光光斑直徑，束腰位置及發散角等光束參數，同時軟件可測出系統的PSF及MTF。此刻哈特曼波前傳感器波前分析儀指標參數如下所示： Specification:  Range of phase measurement - up to 15μm  Accuracy of measurements - λ/100 (RMS)  Input light beam diameter - 4...100 mm and more  Number of working sub-apertures: from 400  Working Wavelength Range: 400nm 1100nm  Acquisition Frequency / Frame Rate: up to 60 Hz  Pulsed & CW laser beam diagnostic The hardware includes:  Lenslet array  Monochrome CCD/CMOS camera (IEEE 1394)  IEEE 1394 Cable (6pin-6pin) Optionally:  Resizing lens or telescopic system  Neutral density optical Filters in holder  Source of reference wavefront (collimator, fiber-coupled laser for one wavelength, holder) The software includes:  Wavefront Reconstruction for Circular pupil or Polygonal Mask  Measurement of P-V  Definition of RMS Shark r Page 1 of 2 Shark-Hartmann Wavefront -Hartmann Wavefront Senso  Expansion of aberrations to Seidel and Zernike polynomials (tilts, defocus, astigmatisms, etc.)  Fringe Representation, 2D & 3D Wavefront  Reconstruction of intensity distribution  Estimation of the Beam Quality Factor M²; Beam Characterisation Parameters: laser beam diameter, beam waist , Beam Divergence  PSF, MTF

北京錦坤科技有限公司

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