These adjustable mounts are designed specifically for precision positioning of diffraction gratings. The compact DGA-25 and larger DGA-50 hold 25-mm or 50-mm square or rectangular gratings respectively. Both of these mounts provide pitch, yaw, and roll, adjustments. The DGM-1 holds any of three gratings sizes having height dimensions of 12.5 mm, 25 mm, or 50 mm and provides pitch, yaw, roll, and linear adjustment. This mount is also available without rotation stage as DGM-1T.
| Compare | Model | Drawings, CAD & Specs | Availability | Price | |||
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DGF-12 Diffraction Grating Mount, 12.5 mm, Fixed | $44.00 |
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DGA-25 Diffraction Grating Mount, 25 mm, 3-axis | $194.00 |
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DGA-50 Diffraction Grating Mount, 50 mm, 3-axis | $329.00 |
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DGM-1T Diffraction Grating Mount, Top Portion of DGM-1 Only |
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$1,006.00 |
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DGM-1 Diffraction Grating Mount, 12.5 mm, 25 mm, 50 mm |
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$1,817.00 |
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The photo collage shows the key features of the DGA-25 and DGA-50.
The DGM-1 has four degrees of freedom to achieve ideal alignment. Its extra degree of freedom, linear translation, allows gratings with different thicknesses, to always be positioned to sit right at the center of yaw rotation.
The mounting holes on the face of the DGM-1 clamp mechanism can be reconfigured to hold 12,5, 25, or 50 mm gratings. The clamp always keeps the center of the grating at the center of rotation.
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