T-AX2540-B - 40.0°, 650 - 1050 nm, AR Coated UVFS, Ø1" (Ø25.4 mm) Axicon
Product Drawing
These axicons are AR coated for the 650-1050 nm range making them suitable for many near IR (NIR) applications, such as optical traps and corneal surgeries.
Diameter Ø1" (Ø25.4 mm)
Physical Angle (α) 40.0°
Deflection Angle (β) 29.0°
Center Thickness (tc) 15.7 mm
AR Coating 650 - 1050 nm Ravg<0.5%
AR Coating Plot
Reference Drawing
| Common Specifications |
| Substrate Material |
UV Fused Silica |
| Diameter |
1/2" (12.7 mm) or 1" (25.4 mm) |
| Diameter Tolerance |
+0.0 / -0.1 mm |
| Apex Rounding Diameter (S1) |
<1.5 mm |
| Surface Quality (S1, S2) |
40-20 Scratch-Dig |
| Surface Flatness (S2) |
<λ/10 at 633 nm |
| Surface Deviation (RMS) (S1) |
<0.05 µm |
| Surface Roughness (RMS) (S1) |
<6 Å |
| Clear Aperture (S1, S2) |
>90% of Diameter |
| Edge Thickness |
5.0 mm |
| Edge Thickness Tolerance |
+0.1/-0.0 mm |
| Center Thickness Tolerance |
+0.1/-0.0 mm |
| Angular Tolerance |
±0.01° |
| Damage Threshold Specifications |
Coating Designation
(Item # Suffix) |
Damage Threshold |
| -UV |
Pulsed |
5.0 J/cm2 at 355 nm, 10 ns, 10 Hz, Ø0.350 mm |
| -A |
Pulsed |
7.5 J/cm2 at 532 nm, 10 ns, 10 Hz, Ø0.491 mm |
| CW |
550 W/cm (532 nm, Ø1.000 mm) |
| -B |
Pulsed |
0.246 J/cm2 at 800 nm, 99 fs, 1 kHz, Ø0.166 mm
7.5 J/cm2 at 810 nm, 10 ns, 10 Hz, Ø0.133 mm |
| CW |
20 kW/cm (1070 nm, Ø0.974 mm) |
| -C |
Pulsed |
7.5 J/cm2 at 1542 nm, 10 ns, 10 Hz, Ø0.189 mm |
| CW |
350 W/cm (1540 nm, Ø1.030 mm) |
