McPherson
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| Brand | McPherson |
|---|---|
| Origin | USA |
| Model | 234/302 |
| Optical Configuration | Seya-Namioka (S-N) |
| Wavelength Range | 30–2200 nm |
| Resolution | 0.1 nm |
| Focal Length | 2000 mm |
| Brand | McPherson |
|---|---|
| Origin | USA |
| Model | Model 218 |
| Focal Length | 300 mm |
| Optical Design | Crossed Czerny-Turner |
| Beam Angle (Input/Output) | 44° |
| f/# | f/5.3 |
| Grating Size | 50 × 50 mm |
| Wavelength Accuracy | ±0.10 nm (mechanical counter, 1200 grooves/mm grating) |
| Wavelength Repeatability | ±0.005 nm (1200 grooves/mm grating) |
| Focal Plane Width | up to 17 mm |
| Wavelength Range | configurable per grating selection (VUV to LWIR) |
| Brand | McPherson |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Model 234/302 |
| Pricing | Upon Request |
| Focal Length | 200 mm |
| Optical Design | Modified Seya-Namioka |
| f/# | 4.5 |
| Grating Size | 40 × 45 mm |
| Wavelength Accuracy | ±0.10 nm (with 1200 g/mm grating) |
| Wavelength Repeatability | ±0.05 nm (with 1200 g/mm grating) |
| Slit-to-Slit Working Distance | 229 mm |
| Input/Output Beam Angle | 64° or 180° selectable |
| Focal Plane Width | 25 mm |
| Focal Plane Tilt | ~30° |
| Grating Options | 300–2400 g/mm |
| Resolution @ 313.1 nm | 0.06–0.3 nm (dependent on grating) |
| Reciprocal Linear Dispersion | 2–816 nm/mm |
| Detector Interface | CCD or MCP imaging array |
| Vacuum Compatibility | Standard UHV option (10⁻¹⁰ Torr with all-metal seals) |
| Residual Gas Analysis | Performed pre-shipment |
| Brand | McPherson |
|---|---|
| Origin | USA |
| Model | 248/310G |
| Wavelength Range | <1 nm to 310 nm |
| Spectral Resolution | 0.018 nm |
| Focal Length | 1000 mm |
| Optical Design | Grazing Incidence |
| Scanning Capability | Yes |
| Multichannel Detection Support | Yes |
| Compliance | Designed for UHV and synchrotron beamline integration |
| Detector Interface | Standard NIM & TTL-compatible output |
| Brand | McPherson |
|---|---|
| Origin | USA |
| Model | VUV Grating Spectrometer Series |
| Wavelength Range | 30 nm – 1200 nm (model-dependent) |
| Spectral Resolution | down to <0.0025 nm |
| Focal Length | 200 mm – 5000 mm |
| Optical Configuration | Czerny-Turner, Seya-Namioka, Normal Incidence (Autofocus & Off-Plane Eagle), Corrected Concave Holographic |
| Grating Mount | Motorized Multi-Grating Tower |
| Detector Compatibility | PMT, MCP, CCD, and Back-Illuminated Deep-UV/Soft-X-ray Arrays |
| Stray Light Suppression | <10⁻⁶ (typical, model- and grating-dependent) |
| Wavelength Accuracy | ±0.005 nm (with He-Ne reference laser calibration) |
| Dispersion | 1.2–8.5 nm/mm (depending on grating groove density and focal length) |
| Scan Functionality | Fully automated wavelength scanning with closed-loop encoder feedback |
| Multichannel Detection | Supported via fiber-coupled or direct-mount array detectors |
| Compliance | Designed for UHV-compatible operation (<1×10⁻⁷ Torr) |