ND laser with co-doped ion(s) pumped by visible laser diodes

A laser apparatus for producing a 1.06 .mu. Nd transition therein comprising:

• a co-doped Cr,Nd:GSGG laser material and an ouptu coupler forming a resonator;
• and
• at least one laser diode pumping Cr.sup.3+ of said co-doped Cr,Nd:GSGG laser material between 610 and 680 nm to effect said 1.06 .mu. Nd transition in said Cr,Nd:GSGG, in which said pumping is at levels up to 1 W pulsed with lowest threshold power measured at least 938 .mu.W and highest output power of 173 mW pulsed.

A laser apparatus for producing a 1.06 .mu. Nd transition therein comprising:

• a co-doped Cr,Nd:GSGG laser material and an output coupler forming a resonator;
• and
• at least on laser diode pumping Cr.sup.3+ of said co-doped Cr,Nd:GSGG laser material between 610 and 680 nm to effect said 1.06 .mu. Nd transition in said Cr,Nd:GSGG, in which said laser diode is at 670 nm to effect said 1.06 .mu. Nd transition in said Cr,Nd:GSGG and in which said pumping is at levels up to 300 mW cw with lowest threshold power measured at least 938 .mu.W and highest output power of 43 mW cw.

A laser apparatus for producing a 1.06 .mu. Nd transition therein comprising:

• a co-doped Cr,Nd:GSGG laser material and an output coupler forming a resonator;
• and
• at least one laser diode pumping Cr.sup.3+ of said co-doped Cr,Nd:GSGG laser material between 610 and 680 nm to effect said 1.06 .mu. Nd transition in said Cr,Nd:GSGG, in which said laser diode is at 670 nm to effect said 1.06 .mu. Nd transition in said Cr,Nd:GSGG and in which said pumping is at levels up to 1 W pulsed with lowest threshold power measured at least 938 .mu.W and highest output power of 173 mW pulsed.