12.5mm Dia., Low GDD 940/1030nm Yb-Doped Dichroic Mirrors

Product Details High Reflectivity at 1030nm and High Transmission at 940nm Low Group Delay Dispersion (GDD) <±100fs 2 Dichroic Mirror Ideal for Ytterbium (Yb) Lasers Yb-Doped Dichroic Mirrors feature a high reflectivity of 99.5% at 1030nm and transmission of 98% at 940nm with wide acceptance angles of 0 – 5°. Featuring wedged substrates that minimize back reflections even at 0° AOI, these mirrors eliminate unwanted feedback in laser systems and are available in either 12.5, 25, or 50mm diameters with a thickness of 3mm. Designed for high power applications utilizing nanosecond pulses, these mirrors are ideal for precision material processing. Yb-Doped Dichroic Mirrors also offer a Low Group Delay Dispersion (GDD) of <±100fs 2 from 1030nm – 1080nm, making them useful for ultrafast and nonlinear applications including multi-photon microscopy. Specifications General Type: High Power Dichroic Window Physical & Mechanical Properties Thickness (mm): 3.00 ±0.20 Clear Aperture CA (mm): 11.25 Diameter (mm): 12.50 +0.0/-0.10 Edges: Fine Ground Wedge Angle (arcmin): 30' ±10' Optical Properties Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More Fused Silica (Corning 7980) Index of Refraction (n d ): 1.458 Surface Quality: 10-5 Angle of Incidence (°): 0 - 5 Coating: S1: HR 1030nm ± 5nm, AR 940nm S2: AR 940nm & 1030nm ± 5nm Design Wavelength DWL (nm): 940nm/1030nm Surface Flatness (P-V): λ/10 Coating Specification: S1: R p & R s >99.5% @ 1030nm; T p & T s >98% @ 940nm @ 0 – 5° AOI S2: T p & T s >98% @ 940nm & 1030nm Damage Threshold, Reference: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification. > 20 J/cm 2 @ 10ns pulses @5 kHz PRF 1MW/cm 2 CW Regulatory Compliance Certificate of Conformance: View ×