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Products HomeGround Glass Alignment Disks
- Great for Viewing Beams Exiting a Lens Tube
- Ø1/2", Ø1", and Ø2" Versions Available
- Drilled Centering Hole
DG20-1500-H2-MD
DG10-1500-H1-MD
DG10-1500-H1
DG05-1500-H1-MD
Application Idea
A DG10-1500-H1 Unmounted Ø1" Frosted Glass Alignment Disk Is Used to Align a CPS520 Compact Laser Module
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| Diffuser Selection Guide | |||
|---|---|---|---|
| Ground Glass Diffusers | |||
| Standard Diffusers | N-BK7 Substrate | Unmounted, Uncoated | 350 nm to 2.0 µm |
| Unmounted, AR Coated | 350 nm - 700 nm 650 nm - 1050 nm |
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| Mounted, Uncoated | 350 nm - 2.0 µm | ||
| UVFS Substrate | Unmounted, Uncoated | 185 nm - 2.0 µm | |
| Diffuse Reflectors | N-BK7 Substrate | Unmounted, UV-Enhanced Aluminum Coated | 250 nm - 450 nm |
| Unmounted, Protected Silver Coated | 450 nm - 20 µm | ||
| Unmounted, Protected Gold Coated | 800 nm - 20 µm | ||
| Alignment Disks | |||
| Engineered Diffusers | |||
| Diffuser Kits | |||
Features
- Made from 1500 Grit N-BK7 Ground Glass Substrate
- Center Hole Aides Alignment Process
Our frosted glass alignment disks are made from 1500 grit Ground Glass Diffusers. Versions are available either unmounted or in an SM-threaded engraved cell. These disks are ideal for use when viewing a beam exiting a lens tube as the beam can be seen through the ground glass. An example of this is shown in the image at the top right of this page. We also offer other alignment tools as well as fluorescent viewing cards.
| Posted Comments: | |
toewj
(posted 2016-04-08 00:29:18.483) Will this alignment guide work for 266 nm lasers? besembeson
(posted 2016-04-11 11:28:11.0) Response from Bweh at Thorlabs USA: No it will not. The DG10-1500-H1-MD is made with N-BK7 substrate and designed for visible spectrum, and not deep UV which will not be visible on the glass. rsink
(posted 2014-09-24 09:35:28.547) The drawing for this part says it is ground on BOTH sides. Is this correct? How can you project visible image on it if both sides are ground?
Thanks,
Rick Sink jlow
(posted 2014-09-25 09:25:53.0) Response from Jeremy at Thorlabs: The part is grounded on both sides. I will contact you directly to discuss about using this in your application. bdada
(posted 2011-10-21 12:25:00.0) Response from Buki at Thorlabs:
Thank you for your feedback. The DG20-1500-H2 is currently showing on our website. Please contact TechSupport@thorlabs.com if you have further questions about this product. user
(posted 2011-10-20 16:00:12.0) DG20-1500-H2 Frosted Glass Alignment Disk, Ø2",
Ø2 mm Hole .... item disappeared? |
Zoom- 1500 Grit Ground Glass on Both Sides
- Drilled Centering Hole
- Great for Viewing Beams Exiting a Lens Tube
This frosted glass alignment disk is made from a 1500 grit Ground Glass Diffuser. The DG10-1500-H1 is Ø1" (Ø25.4 mm), and features a Ø1 mm (Ø0.04") hole drilled in the center for alignment purposes. The disk is ideal for use when viewing a beam exiting a lens tube as the beam can be seen through the ground glass. An example of this is shown in the image at the top right of this page. The disk is also available mounted in SM threaded cells in the section below.
Zoom- SM05, SM1, or SM2 Threaded Versions
- 1500 Grit Ground Glass on Both Sides with Drilled Centering Hole
- Great for Viewing Beams Exiting a Lens Tube
- Mounting Cells Include Engraved Part Number, Grit, and Center Hole Diameter
Our frosted glass alignment disks are also available mounted in SM threaded cells. The 1500 grit N-BK7 diffusers are excellent alignment targets for visible beams. An incident beam can be easily seen on either side of the disk and aligned to the Ø1 mm centering hole on the Ø1/2" and Ø1" versions or the Ø2 mm hole on the Ø2" version. The SM threaded mounts allow the alignment disks to be quickly inserted or removed from an optical system without the need of retaining rings and spanner wrenches to secure the disk within a system. Please see the section immediately above for unmounted frosted alignment disks.
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