Gemini-180
- Single
Box Direct Drive Double Grating Monochromator
Features
- Direct Drive Coupled-Scanning via Single Stepper Motor
- Double Czerny-Turner with Toroidal Optics Providing Maximum Throughput
- Kinematic grating Mounts
- Fully Automated Slits & Accessories (Fixed Slits Available for Radiometry)
- Built in Computer Interfaces (RS232 & IEEE-488)
- Wide Selection of HORIBA Jobin Yvon Gratings
How the Double Additive Monochromator Works
Why Use A Double Monochromator?
- Reduces Stray Light
- Prevents Internal Reflections
Specifications
| Focal length | 180 mm |
| Aperture Ratio | f/3.8 |
| Resolution | 0.15 nm |
| Dispersion | 2.1 nm/mm |
| Accuracy | ± 0.5 nm |
| Stray Light | 10-10 |
| Kinematic Grating Repeatability | ± 0.004 nm |
| Drive Repeatability | ± 0.1 nm |
| Mechanical Range | 0 - 1400 nm |
| Intermediate Slit Range | 50 µm to 7 mm |
Specifications based on a 1200 g/mm grating
