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Octave Spanning Ultrafast Laser Optics (400 – 500 nm Bandwidth)

  • The coatings shown here are calculated for the wavelength range of one octave (e.g. 550 – 1100 nm). Similar coatings are possible for other wavelength ranges.
  • Center wavelength, bandwidth, GDD and reflectance of output couplers and beam splitters according to customer specifications
  • Spectral tolerance ±1 %
  • In-house design calculation and GDD measurement capabilities
  • GDD measurement reports are included in the delivery
LIDT Info
≈ 0.1 J/cm², 800 nm, 150 fs
Measurements were performed at Laser Zentrum Hannover

Negative Dispersion Laser Mirror Pairs for AOI = 0°

Mirror pairs designed by LAYERTEC show a very smooth average GDD spectrum even though the single broadband mirrors exhibit strong GDD oscillations.
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Fig.1:Reflection and GDD spectra of a pair of ultra-broadband negative-dispersion laser mirrors
a)Reflectance vs. wavelength
b)GDD vs. wavelength

Negative Dispersion Pump Mirror Pairs for AOI = 0°

The pump mirror pair consists of two mirrors which both show a region of high transmittance around 500 nm.
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Fig.2:Reflectance and GDD spectra of an ultra broadband negative dispersion pump mirror pair
a)Reflectance vs. wavelength
b)GD vs. wavelength
c)GDD vs. wavelength

Negative Dispersion Turning Mirror Pairs for p-polarized Light for AOI = 0°

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Fig.3:Reflectance and GDD spectra of an ultra broadband turning mirror pair for p-polarized light
a)Reflectance vs. wavelength
b)GDD vs. wavelength

Output Couplers for AOI = 0°

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Fig.4:Reflectance and GDD spectra of an ultra broadband output coupler with R = 85 % ±3 %
a)Reflectance vs. wavelength
b)GDD vs. wavelength
c)Rear side octave spanning AR coating

Beam Splitters for p-polarized Light at AOI = 45°

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Fig.5:Reflectance and GDD spectra of an ultra broadband beam splitter for p-polarized light with Rp = 50 % ±4 %
a)Reflectance vs. wavelength
b)GDD vs. wavelength
c)Rear side octave spanning AR coating for p-polarized light

Beam Splitters for s-polarized Light at AOI = 45°

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Fig.6:Reflectance and GDD spectra of an ultra broadband beam splitter for s-polarized light with Rs = 50 % ±5 %
a)Reflectance vs. wavelength
b)GDD vs. wavelength
c)Rear side octave spanning AR coating for s-polarized light
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LAYERTEC GmbH
Ernst-Abbe-Weg 1
99441 Mellingen
Germany

International Sales

+49 36453 744 0

contact@sales.layertec.de

US Sales Office

+1 707 48 10 216

ussales@layertec.de

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