DETAILS, FICTION AND KYW CRYSTAL

The attain bandwidth e.g. of Yb:KGW and Yb:KYW is quite significant when compared with that of Yb:YAG. This allows for broad wavelength tunability and for Substantially shorter pulse durations from manner-locked lasers. Values nicely underneath 100 fs are already obtained with passive method locking.The comparison with Eyeglasses is acceptable sin