• Slit Material:302 Stainless Steel w/ Black Oxide Finish
• Compatable with our SM1 (1.035" -40) Lens Tubes

The S20R Fixed Vertical Slit is mounted in a Ø1" plate, perfect for mounting in our SM1 (1.035" -40) lens tubes (SM1L03). The slit is made out of 302 stainless steel with a black oxide finish. Customized housings are also available, please contact Thorlabs' technical support to discuss your specific needs.

• Slit Width: 20 μm
Slit Width Tolerance: ±2 μm
• Slit Height: 3 mm
• Slit Thickness: 12.8 μm
• Housing: Ø1" Outer Diameter x 0.10" Thick
• Slit Material: 302 Stainless Steel w/ Black Oxide Finish
• Unmounted Slit: Ø3/8" (9.5 mm) x 0.0005" (12.8 μm) Thick
• Position Tolerance of Slit: Ø0.006" (Ø0.15 mm) within the Foil Disk
• Damage Threshholds
• 5x10⁴ W/mm², 75 ns Pulse @ 700 nm
• 1x10⁵ W/mm², 10 ns Pulse @ 700 nm
• 1x10³W/mm², CW @ 10.6 μm