Diffraction Gratings

Bausch & Lomb 35-53-04-890 Certified Precision Grating specifications: – Grooves/mm: 150. – Size: 26 x 26 mm. – Material: Copper – Blaze wavelength: 8 um – Blaze angle: 36 degrees 52 minutes Notes: Damaged at corners

Tis item is a used Milton Roy 35-33-09-351 Diffraction Grating in good condition. The corners of this piece are damaged. Specifications: – Grooves per mm: 600 – Blaze: 800 nm – Blaze Angle: 13.9 degrees – Coating: Gold – Size: 25 x 25 x 6 mm.

This Lasiris B/S Parabolic grating is new in its original box. Specifications: – Wavelength: 632.8. – 20 um – 19 beams..

Fisher Scientific 980-28-30-20 Optical Grating – Interferometrically ruled precision grating – 590 groves/mm. – 4000 Angstrom Note: Grating has some spots and light scratches.