|
Introduction
Ho:Cr:Tm:YAG is a high
efficiency laser material which lasers at 2.1µm. It has
wide applications in medical, military and meteorology fields.
 May be flash lamp or diode pumped
Very high slope efficiency
Operates well at room temperature
Operates in a relatively eye-safe wavelength range High
efficiency
Basic Properties:
Please view Laser crysals physical Properities (dpf format)
The Sellmeier equations (l in µm for YAG):
n ^2 = 2.08745 + 1.2081 l ^2 /(l^ 2 - 0.02119 )+ 17.2049 l ^2 /(l ^2 - 1404.45 )
Optical and Spectral Properties
Please view Laser crysals optical and Spectral Properities (dpf format)
Ho:Cr:Tm:YAG's Specifications:
| Orientation: |
<111> or <100]> crystalline
within 5° |
| Wavefront distortion : |
l /8 per
inch @ 633 nm |
| Extinction Ratio: |
>25dB |
| Dimension Tolerances |
Rods with diameter: ±0.025 mm ,
Length: ±0.5 mm |
| Surface quality: |
10/5 Scratch / Digper MIL-O-1380A
|
| Parallelism: |
< 10 arc seconds |
| Perpendicularity: |
< 5 arc minutes |
| Flatness: |
< l /10
@ 633 nm |
| chamfer: |
<0.1 mm @ 45deg. |
| Barrel Finish: |
50-80 micro-inch (RMS) , |
| AR Coating Reflectivity |
<0.25% |
|
Barrel
Finish:
|
50-80
micro-inch (RMS) , |
Note: The other specification and dimension is available
too |
Laser Crystals