Time delay compensators, made of alpha-BBO or calcite crystals, are used to correct time delays between specific wavelengths with orthogonal polarizations.
In processes like second harmonic generation (SHG), the crystal's group velocity mismatch (GVM) causes time delays between fundamental and harmonic pulses. By introducing an opposite GVM, time delay compensators improve pulse overlap for subsequent processes, like third harmonic generation (THG), in a second nonlinear crystal.
Time delay compensator between o-ray and e-ray.
| Part No. | Wavelength | Delay | Description |
| Delay Compensator 01 | 800/400nm | 10-100fs | Calcite time delay compensator, 10-100fs between 800nm (o-ray) and 400nm (e-ray), AR@800/400nm, aperture 12.7mm, OD 1" |
| Delay Compensator 02 | 800/400nm | 80-270fs | Calcite time delay compensator, 80-270fs between 800nm (o-ray) and 400nm (e-ray), AR@800/400nm, aperture 12.7mm, OD 1" |
| Delay Compensator 03 | 800/400nm | 250-600fs | Calcite time delay compensator, 250-600fs between 800nm (o-ray) and 400nm (e-ray), AR@800/400nm, aperture 12.7mm, OD 1" |
| Delay Compensator 04 | 800/400nm | 580-1000fs | Calcite time delay compensator, 580-1000fs between 800nm (o-ray) and 400nm (e-ray) , AR@800/400nm, aperture 12.7mm, OD 1" |
| Delay Compensator 05 | 1030/515nm | 10-100fs | Calcite time delay compensator, 10-100fs between 1030nm (o-ray) and 515nm (e-ray), AR@1030/515nm, aperture 12.7mm, OD 1" |
| Delay Compensator 06 | 1030/515nm | 80-270fs | Calcite time delay compensator, 80-270fs between 1030nm (o-ray) and 515nm (e-ray), AR@1030/515nm, aperture 12.7mm, OD 1" |
| Delay Compensator 07 | 1030/515nm | 250-600fs | Calcite time delay compensator, 250-600fs between 1030nm (o-ray) and 515nm (e-ray), AR@1030/515nm, aperture 12.7mm, OD 1" |
| Delay Compensator 08 | 1030/515nm | 580-1000fs | Calcite time delay compensator, 580-1000fs between 1030nm (o-ray) and 515nm (e-ray), AR@1030/515nm, aperture 12.7mm, OD 1" |
| Delay Compensator 09 | 600/300nm | 200-500fs | a-BBO time delay compensator, 200-500fs between 600nm (o-ray) and 300nm (e-ray) , AR@600/300nm, aperture 12.7mm, OD 1" mounted |
| Delay Compensator 10 | 800/400nm | 80-270fs | a-BBO time delay compensator, 80-270fs between 800nm (o-ray) and 400nm (e-ray), AR@800/400nm, aperture 12.7mm, OD 1" |
| Delay Compensator 11 | 800/400nm | 250-600fs | a-BBO time delay compensator, 250-600fs between 800nm (o-ray) and 400nm (e-ray), AR@800/400nm, aperture 12.7mm, OD 1" |
| Delay Compensator 12 | 1030/515nm | 250-600fs | a-BBO time delay compensator, 250-600fs between 1030nm (o-ray) and 515nm (e-ray), AR@1030/515nm, aperture 8.0mm, OD 1" mounted |
