Nd:YAG crystal is the most widely used solid-state laser material today. Now,we are able to stably supply quantity of Nd:YAG rods with high optical homogeneity, consistent performance, high processing accuracy and on time delivery. Different specifications and size from f 3 x 0.5 mm to f 12 x 150 mm are available in sp3 plus.
Dopant Concentration (atomic %): 0.9%~ 1.1% |
Orientation: <111> crystalline direction (±5") |
Wavefront distortion:l/8 per inch, measured by a double-pass interferometer @ 633 nm |
Extinction Ratio:
Rods with diameter from 3 mm to 6.35 mm and with length to 100 mm:>30dB
Rods with diameter from 7 mm to 10 mm and with length to 100 mm:>28dB |
Dimension Tolerances
Rods with diameter: ±0.025 mm (±0.001"), Length: ±0.5 mm (±0.02")
Barrel Finish:50 80 micro-inch (RMS) , grooved rod barrel are also available |
Ends Finish:
Surface Figure: <l/10 @ 633 nm
Parallelism: < 10 arc seconds
Surface quality:< 5 ar c minutes
Clear Aperture: > 10/5 Scratch / Digper MIL-O-1380A
chamfer:<0.1 mm @ 45°
clear Aperture:extend over the entire faces to the chamfered edges |
Anti-Reflection Coating:
Single layer MgF2 coating with high damage threshold for high power laser operation. Reflectivity R < 0.25% @ 1064 nm per surface. Damage threshold over 750 MW/cm2@ 1064nm, 10 ns and 10 HZ. |
High-Reflection Coating:
Standard HR coating with R>99.8% @ 1064nm and R<5% @ 808nm can be performed in sp3 plus. Other HR coatings, such as HR @ 1064/532 nm, HR @ 946nm, HR 1319 nm and other wavelengths are also available. |
Standard products in-stock:
The standard Nd:YAG laser rod with dimension of f3x5 mm and f4x50 mm with AR or HR- coating for Diode Pumped Solid State Lasers (DPSS) are ready for immediate delivery. For more information about standard Nd:YAG rods, please refer to page 62 of Diode Pumped Laser Optics Kits. |
