Visible Spectrum Achromat / ATL_NADL
Visible spectrum achromats are air spaced achromatic triplets or doublets for lasers in the visible spectrum or white light applications.
The elements are made of crown glass of low dispersion and flint glass of high dispersion.
Common Specifications
| Material | Crown Glass − (Air spaced) − Flint Glass |  |
|---|---|---|
| Material of Frame | Aluminum Finishing: Black anodized | |
| Design Wavelength | 486nm, 532nm, 656nm | |
| Coating | Broadband multil-ayer anti-reflection coating | |
| Acceptance Angle | ±1° | |
| Laser Damage Threshold | 1J/cm2 （Laser pulse width 10ns, repetition frequency 20Hz） |
| Schematic | Outline Drawing |
|---|---|
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| Part Number | Focal Length ｆ | Length L | NA | WD |
|---|---|---|---|---|
| ATL-30-40PY2 | 40.2mm | 22mm | 0.34 | 30.1mm |
| ATL-30-50PY2 | 49.4mm | 22mm | 0.27 | 39.0mm |
| ATL-30-60PY2 | 58.9mm | 22mm | 0.23 | 49.0mm |
| NADL-30-80PY2 | 80.1mm | 13mm | 0.17 | 71.8mm |
| NADL-30-100PY2 | 99.8mm | 13mm | 0.14 | 91.9mm |
| NADL-30-150PY2 | 150.0mm | 12mm | 0.09 | 142.1mm |
| NADL-30-200PY2 | 199.8mm | 12mm | 0.07 | 193.1mm |
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