Dream Lasers designs and manufactures cost effective ultra-compact Diode Pumped Solid State Lasers. Our lasers feature with high reliability, high stability, high efficiency, low noiseand excellent laser beam quality. These lasers are specificly designed for OEM, scientific and industrial use.

Dream Lasers A cavity configuration of the LD two-end-pumped Nd : YVO4 laser and the corresponding thermal lens equivalent resonator is shown,The pump sources used in this system were two commercially available fiber-coupled diode-laser-arrays, that deliver a maximum CW output power of 20 W at each fiber bundle end. The output beams from two 1. 0 mm fiber bundle ends were focused，respectively，into the laser crystal with a spot radius of about 0. 58 mm and numerical aperture of 0. 12 by focusing optics. The 3 × 3 × 5 mm3，0. 5t% Nd3 + -doped a-cut Nd:YVO4 crystal,was ntireflectioncoated at 0. 808 and 1. 064 μm on both end surfaces. This laser crystal was wrapped with indium foil and was inlaid in a water-cooled copper block ensuring sufficient cooling for the pump-produced heat to be removed. The water temperature was maintained around 18℃. The 3 × 3 × 10 mm3 LBO,was AR - coated for 1 . 0 6 4 μm and 0. 532 μm on both end faces. LBO was placed in the stove of which temperature can be adjust and the control accuracy of the stove is ± 0. 2℃. This kind of cavity consists of no other additional optical elements except for the laser gain medium and the frequencydoubling crystal and has a beam waist not at the end mirror face but inside the cavity where the frequencydoubling crystal is placed. So it is simple and adjusted easily. According to the corresponding thermal lens equivalent resonator， a set of perfect resonator parameters can be obtained