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光学参量放大器可实现在飞秒激光在 210 nm 到 10000 nm 以上的极宽波长范围内可调谐

Harmony内部集成的微型光谱仪，可以通过直观的用户友好型PC软件自动调谐630至2600nm的基本波长范围。越来越多的超快光谱技术促使人们需要像Harmony这样强大可靠的自我诊断设备。光参量放大器可以与大多数飞秒激光器完全兼容，并在基本调谐范围内提供自动调谐。

Harmony Basic	Harmony UltraTune
信号光脉宽	< 200 fs
信号光谱宽	< 250 cm-1
偏振	Linear, horizontal
光束质量 M2	<1.5*

波段调节

Output	Tuning range	Conversion efficiency**
Signal and idler	630 – 1030 nm and 1030 – 2600 nm	> 4% across tuning range, 9% at peak of tuning range
SH of signal and idler	315 – 515 nm and 515 – 630 nm	> 2% at peak of tuning range
FH of signal and idler	210 – 255 nm and 255 – 310 nm	> 0.5% at peak of tuning range***
SH of pump beam	fixed 515 ± 2 nm	> 40%
IR extension	2600-10000 nm	> 0.4% peak conversion efficiency*** > 0.1% in range 2.8 μm-6 μm

* – for signal and idler
** – combined signal and idler with respect to input pump laser average power at 200 kHz. SH – second harmonic, TH – third harmonic, FH – fourth harmonic
*** – BOL – beginning of lifetime