N-BK7 high precision mirror

MG-Optics Provides high precision N-BK7 mirror, including on-axis asphric mirror, off-axis aspheric mirror, off-axis parabola mirror(OAP) and freeform optics  Diameter can achieve 600mm, RMS is better than 1/100 wavelength 632.8nm. N-BK7 mirror is suitable for beam expansion and collimation applications in laser systems.   SPECIFICATIONS  FEATURES  SPECIFICATIONS  Shape  optical flat, Sphere, Asphere, ractangle, square, cylinder, custom specification  Size  50mm-600mm  Surface Accuracy  1/100λ RMS or better  Roughness  up to 1nm  Coating   Al, Ag, Au&High laser damage threshold dielectic as needed  Design Services  Optical FEA Dynamic & Thermal Analysis  Test Report   ZMM dimension report, Interferogram for surface accuracy, roughness test report     N-BK7 Optical Properties: 1. Refractive Index: N-BK7 has a refractive index of approximat…