Ultra-Broadband Complementary Chirped Mirror Pairs
High Performance Low GDD Ultrafast Mirrors
• Designed with High Reflectivity for Ultrafast Beam Steering
• Ion-Beam Sputtered Coating for Low Scatter and Absorption
• GDD of 0±20 fs2 at Design Wavelength Range
TECHSPEC® High Performance Low GDD Ultrafast Mirrors are designed to have high reflectivity at a 45° angle
of incidence, making them ideal for ultrafast laser beam steering applications. These mirrors have a dispersion
compensating coating obtained through a precision ion beam sputtering (IBS) process, providing lower scatter
and absorption than traditional dielectric laser mirrors. TECHSPEC® High Performance Low GDD Ultrafast
Mirrors have a group delay dispersion (GDD) of near zero at their design wavelength range, minimizing dispersion
of the reflected beam. Typical applications include use in the transport of femtosecond laser pulses.
Ultrafast Low GDD Mirrors
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NEW
TECHSPEC® High Performance Low GDD Ultrafast Mirrors *See website for surface quality, surface flatness, and tolerance information
Wavelength
Price – 12,7 mm Diameter Price – 25,4 mm Diameter Price – 50,8 mm Diameter
Reflectivity GDD Specification
Range (nm)
Stock No. 1-5 6-25 26+ Stock No. 1-5 6-25 26+ Stock No. 1-5 6-25 26+
241 - 271 Rs >98,5% @ 235 - 280 nm
Rp >97,5% @ 241 - 271 nm 0 ±10 fs² @ 241 - 271 nm #11-734 €169,00 €149,00
Call for OEM Qty. Pricing
#11-735 €209,00 €189,00
Call for OEM Qty. Pricing
– – –
Call for OEM Qty. Pricing
320 - 370 Rs >99,75% @ 320 - 370 nm
Rp >99,5% @ 327 - 363 nm
0 ±10 fs² @ 320 - 370 nm
(s-pol), @ 330 - 360 nm (p-pol) #12-463 €169,00 €149,00 #12-464 €209,00 €189,00 #12-465 €465,00 €425,00
500 - 530 Rs >99,95% @ 500 - 530 nm
Rp >99,9% @ 500 - 530 nm
0 ±20 fs2 @ 500 - 530 nm, s-pol
0 ±20 fs2 @ 500 - 530 nm, p-pol – – – #12-834* €195,00 €165,00 – – –
700 - 900 Ravg > 99,7% @ 700 - 900 nm 0 ±20 fs2 @ 700 - 900 nm, s-pol
0 ±20 fs2 @ 740 - 860 nm, p-pol #62-765 €185,00 €166,00 #62-766 €255,00 €229,00 – – –
1000 -
1060
Rs >99,95% @ 1000 - 1060 nm
Rp >99,9% @ 1000 - 1060 nm
0 ±20 fs2 @ 1000 - 1060 nm, s-pol
0 ±20 fs2 @ 1000 - 1060 nm, p-pol #14-845 €179,00 €159,00 #14-846 €209,00 €169,00 #14-847 €399,00 €369,00
NEW
• Ideal for Dispersion Compensation in Ultrafast Laser Applications
• Ultra-Broadband Design Supports Dispersion Compensation of <3 fs Pulses
• Negative GDD of -60 fs2 and Average Rp >99% @ 650 - 1350 nm
Ultra-Broadband Complementary Chirped Mirror Pairs are designed to provide dispersion compensation for
ultrafast pulses of less than 3 fs. The matched mirrors feature out-of-phase group delay dispersion (GDD) oscillations
leading to a near-constant GDD performance with minimal oscillations. The broadband coating design
covers the most common ultrafast laser lines, including Ti:sapphire and Yb:doped fiber, providing a negative
GDD of -60 fs2 and average reflectance of >99% (p-polarization) from 650 - 1350 nm. The 3° angle of incidence
(AOI) allows many reflections of the ultrafast pulse to effectively compensate for dispersion effects.
Ultra-Broadband Complementary Chirped Mirror Pairs
Diameter (mm) Thickness (mm) Stock No. Price
12,7 6,35 #14-673 €816,00
25,4 6,35 #14-674 €1.510,00
N
Substrate: Fused Silica
Reflectivity: Ravg >99% @ DWL @ 45°
Diameter (mm): 25,40 + 0,0/-0,1
Thickness (mm): 5,00 ± 0,1
Thickness Tolerance (mm): ±0,10
Surface Flatness: l/8
Parallelism (arcmin): <1
Adhesion and Durability: MIL-C-675A
Surface Quality: 20-10
• Greater than 99% Reflectivity
• Coating Designs Covering 360 - 3300 nm
Low Group Delay Dispersion (GDD) Ultrafast Mirrors are designed for applications utilizing Er:glass,
Ti:sapphire, or Ytterbium-doped lasers. These laser mirrors are optimized for maximum reflection over broad
wavelength ranges with designs available for wavelengths between 360 and 3300 nm. The multilayer dielectric
coating is designed for minimal GDD, making them ideal for ultrafast beam transport applications. Low GDD
Ultrafast Mirrors feature low thermal coefficient substrates and the high damage thresholds needed for highenergy
ultrashort laser pulses.
TECHSPEC® Ultrafast Low GDD Mirrors *See website for specifications
Wavelength
Price
GDD Specification @ DWL Stock No.
Typical Application
Range (nm)
1-5 6-25 26+
380 - 420 0 ±30 fs² (s-pol), 0 ±40 fs² (p-pol) #85-311 €149,00 €135,00
Call
Ti:Sapphire 2nd Harmonic
760 - 840 0 ±30 fs² (s-pol), 0 ±40 fs² (p-pol) #85-103 €149,00 €135,00 Ti:Sapphire 1st Harmonic
960 - 1100 0 ±20 fs² (s-pol), 0 ±40 fs² (p-pol) #84-618 €199,00 €179,00 Yb:doped 1st Harmonic
1000 - 1060 0 ±30 fs² (s-pol), 0 ±40 fs² (p-pol) #85-102 €149,00 €135,00 Yb:doped 1st Harmonic
1500 - 1600 0 ±30 fs² (s-pol), 0 ±40 fs² (p-pol) #84-617 €199,00 €179,00 Er:Glass 1st Harmonic
1520 - 1580 0 ±30 fs² (s-pol), 0 ±40 fs² (p-pol) #85-101 €149,00 €135,00 Er:Glass 1st Harmonic
1800 - 2700 0 ±20 fs² (s-pol), 0 ±50 fs² (p-pol) #15-474* €235,00 €195,00 Thulium and Holmium Lasers
N
Substrate: Fused Silica
Diameter Tolerance (mm): +0,00/-0,10
Thickness (mm): 6,35
50,8 mm Dia.: 9,52
Thickness Tolerance (mm): ±0,10
Clear Aperture (%): 80
Surface Flatness: l/8
Surface Quality: 10-5
Back Surface: Commercial Polish
Damage Threshold: See web
Substrate: Fused Silica
Back Surface: Commercial Polish
Wedge (acrmin): 10
Surface Quality: 10-5
Clear Aperture (%): 90
Irregularity (P-V): l/10
Diameter Tolerance (mm): +0,0/-0,1
Thickness Tolerance (mm): ±0,20
Coating Specification: Ravg > 99% @ 650 - 1350 nm @
3° AOI (p-polarization)
GDD specification: -60 fs2 @ 650 - 1350 nm @
3° AOI (p-polarization)
Clear Aperture (%): 80
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