<https://hubner-photonics.com/product-category/lasers/tunable-vis/#webpage>
<http://schema.org/description>
"Tunable VIS HÜBNER Photonics offers two types of tunable lasers: CW single frequency &amp; pulsed up to 10 kHz. All tunable lasers are based on OPO technology covering VIS &#8211; MIR wavelength ranges."
<https://hubner-photonics.com/product-category/lasers/tunable-vis/>