Ground Glass Diffuser / DFB1_DFSQ1
Ground glass diffuser has a large area diffusion of an incident light. It is widely used in prevention of imaging of lamp filament, to diffuse a large area of projected light or used as a screen.
The ground glass diffuser with sandblasted surface at a grit range from #240 to #1500. The higher the grit number the finer the sandblast size.BK7 for visible and NIR and for Ultraviolet we recommand Synthetic fused sillica substrates.
Common Specifications
| Material | DFB1: BK7 DFSQ1: Synthetic fused silica |  |
|---|---|---|
| Surface Condition | Sand abrasive surface at various sand number range Polished (Surface flatness: about 4λ |
|
| Wavelength Range | DFB1: 400 - 2000nm DFSQ1: 200 - 2000nm |
|
| Clear Aperture | 90% of the diameter |
| Schematic | Outline Drawing |
|---|---|
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| BK7 | Synthetic fused silica | |||||
|---|---|---|---|---|---|---|
| Part Number | Diameter φD | Sand Blasted Surface (sand number range) |
Part Number | Diameter φD | Sand Blasted Surface (sand number range) |
|
| DFB1-30C02-240 | φ30mm | #240 | DFSQ1-30C02-240 | φ30mm | #240 | |
| DFB1-30C02-400 | φ30mm | #400 | DFSQ1-30C02-400 | φ30mm | #400 | |
| DFB1-30C02-600 | φ30mm | #600 | DFSQ1-30C02-600 | φ30mm | #600 | |
| DFB1-30C02-800 | φ30mm | #800 | DFSQ1-30C02-800 | φ30mm | #800 | |
| DFB1-30C02-1000 | φ30mm | #1000 | DFSQ1-30C02-1000 | φ30mm | #1000 | |
| DFB1-30C02-1500 | φ30mm | #1500 | DFSQ1-30C02-1500 | φ30mm | #1500 | |
| DFB1-50C02-240 | φ50mm | #240 | DFSQ1-50C02-240 | φ50mm | #240 | |
| DFB1-50C02-400 | φ50mm | #400 | DFSQ1-50C02-400 | φ50mm | #400 | |
| DFB1-50C02-600 | φ50mm | #600 | DFSQ1-50C02-600 | φ50mm | #600 | |
| DFB1-50C02-800 | φ50mm | #800 | DFSQ1-50C02-800 | φ50mm | #800 | |
| DFB1-50C02-1000 | φ50mm | #1000 | DFSQ1-50C02-1000 | φ50mm | #1000 | |
| DFB1-50C02-1500 | φ50mm | #1500 | DFSQ1-50C02-1500 | φ50mm | #1500 | |
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