Components for the Third Harmonic of the Ti:Sapphire Laser (250 – 400 nm)

Dual Wavelength Turning Mirrors for AOI = 45°

Fig.1:Reflectance and GDD spectra of a fs-optimized dual wavelength turning mirror for 270 nm and 405 nm

a)Reflectance vs. wavelength

b)GDD vs. wavelength

Triple Wavelength Turning Mirrors for AOI = 45°

Fig.2:Reflectance and GDD spectra of a fs-optimized turning mirror for the 266 nm, 400 nm and 800 nm wavelength regions

a)Reflectance vs. wavelength

b)GDD vs. wavelength

Please note that this triple wavelength turning mirror exhibits |GDD| < 50 fs² in all three wavelength regions of interest.

Separators for the Third Harmonic from the Second Harmonic and the Fundamental Wave for AOI = 45°

Fig.3:Reflectance and GDD spectra of a standard separator reflecting the third harmonic and transmitting the second harmonic and the fundamental

a)Reflectance vs. wavelength

b)GDD vs. wavelength

For the bandwidth of the reflectance and low-GDD ranges, please see Table 1 on page .

Fig.4:Reflectance and GDD spectra of a broadband separator with high reflectance for s-polarized light throughout the wavelength range of the third harmonic of the Ti:Sapphire laser and high transmittance for p-polarized light in the VIS and NIR:
HRs (45°, 250 – 330 nm) > 95 % + Rp (45°, 440 – 1000 nm) < 3 %

a)Reflectance vs. wavelength

b)GDD-Rs vs. wavelength

Negative Dispersion Mirror Pair for AOI = 0°

Fig.5:Reflectance and GDD spectra of a broadband negative dispersion mirror pair
HR (0°, 275 – 400 nm) > 99 % with an average GDD of ≈ -10 fs² per bounce

a)Reflectance vs. wavelength

b)GDD vs. wavelength

Components for the Third Harmonic of the Ti:Sapphire Laser (250 – 400 nm)

Dual Wavelength Turning Mirrors for AOI = 45°

Triple Wavelength Turning Mirrors for AOI = 45°

Separators for the Third Harmonic from the Second Harmonic and the Fundamental Wave for AOI = 45°

Negative Dispersion Mirror Pair for AOI = 0°

Components for the Third Harmonic of the Ti:Sapphire Laser (250 – 400 nm)