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1050nm, 25.2 x 35.6mm, Low GDD Dichroic Shortpass Ultrafast Filter

TECHSPEC® Low GDD Dichroic Shortpass Ultrafast Filters

TECHSPEC® Low GDD Dichroic Shortpass Ultrafast Filters

Stock #14-038 3-4 days
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Dimensions (mm):
25.2 x 35.6
Angle of Incidence (°):
Cut-Off Wavelength (nm):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Fused Silica (Corning 7980)
Length (mm):
Hard Coated
P-Polarization Transmission (%):
Reflection (%):
>97 Average Polarization
Reflection Wavelength (nm):
1102 - 1365
S-Polarization Transmission (%):
Surface Quality:
Thickness (mm):
1.05 ±0.1
Transmission (%):
>85 Average Polarization
Transmission Wavelength (nm):
546 - 1008
Dichroic Filter
Width (mm):
Dimensional Tolerance (mm):
Transmitted Wavefront, RMS:
Slope Factor (%):
Cut-Off Tolerance (%):
S-Polarization Reflection (%):
P-Polarization Reflection (%):
Coating Specification:
Surface 1: Hard Dielectric Sputtered Surface 2: MgF2
Wavelength Range (nm):
546 - 1365
GDD Specification (Transmission):
80 ±30fs2 @ 546 - 625nm
120 ±80fs2 @ 746 - 1008nm

Regulatory Compliance

Certificate of Conformance:

Product Family Description

  • Reduced Thickness for Limited GDD
  • Broad Transmission and Reflection Ranges 
  • Ideal for Ultrafast Laser Applications
  • Controlled GDD Specification Using In-House Metrology

TECHSPEC® Low GDD Dichroic Shortpass Ultrafast Filters feature thin substrates and a low group delay dispersion (GDD) coating, making them ideal for use with ultrafast laser sources. Designed for a 45° angle of incidence and covering a range of wavelengths, these spectral filters can be used with Ti:sapphire, Nd:doped, and Yb:doped fiber or glass lasers, as well as with optical parametric oscillators and amplifiers. TECHSPEC Low GDD Dichroic Shortpass Ultrafast Filters are ideal for ultrafast laser applications including multi-photon microscopy, nonlinear fluorescence, and femtosecond stimulated Raman spectroscopy. Please contact us if your application requires an ultrafast optical filter with a custom size or wavelength range.

Note: These filters are optimized for high spectral performance rather than high Laser Induced Damage Thresholds (LIDT). A typical LIDT for these filters is 1 J/cm2 @ 532nm, 10ns. Please contact us if you require a filter with a higher LIDT value.