Continuously Variable Attenuator / Beamsplitter 990-0060
• Divides laser beam into two beams of manually adjustable intensity ratio • Convenient 90° angle between reflected and transmitted beams • Negligible beam deviation • Large dynamic range Continuously Variable… Read more →
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| SKU | Central wavelength · Laser Damage Threshold · Extinction ratio | |
|---|---|---|
| 990-0060-11IR | 700-1000 nm·2 J/cm² @ 1064 nm, 10 Hz, 10 ns·> 200:1 |
Out of stock
$1,377
|
| 990-0060-11VIS | 450-680 nm·1 J/cm² @ 532 nm, 10 Hz, 10 ns·> 200:1 |
Out of stock
$1,377
|
| 990-0061-11 | 1064 nm·15 J/cm² @ 1064 nm, 10 Hz, 10 ns·> 500:1 |
1 in stock
Ships in: 2–5 calendar days
$863
|
| 990-0062-11 | 1030 nm·15 J/cm² @ 1030 nm, 10 Hz, 10 ns·> 500:1 |
Out of stock
$863
|
| 990-0063-11 | 800 nm·8 J/cm² @ 800 nm, 10 Hz, 10 ns·> 500:1 |
1 in stock
Ships in: 2–5 calendar days
$863
|
| 990-0064-11 | 532 nm·6 J/cm² @ 532 nm, 10 Hz, 10 ns·> 500:1 |
Out of stock
$863
|
| 990-0065-11 | 355 nm·3 J/cm² @ 355 nm, 10 Hz, 10 ns·> 500:1 |
1 in stock
Ships in: 2–5 calendar days
$863
|
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Specifications
| Clear aperture | 11 mm |
| Extinction ratio for broadband attenuators for attenuators designed for specific laser wavelength | TS / TP < 1:200 TS / TP < 1:500 |
| Weight | 0.16 kg |
Description
- Divides laser beam into two beams of manually adjustable intensity ratio
- Convenient 90° angle between reflected and transmitted beams
- Negligible beam deviation
- Large dynamic range
Continuously Variable Attenuators / Beamsplittesr are designed for down to 100 fs laser pulses. They consist of high-performance polarizing optics components placed in precision opto-mechanical holder 840-0197:
- High power polarizing cubes, which reflect s-polarized light at 90° angle while transmitting p-polarized light
- Rotating λ/2 waveplates, placed in the incident polarized beam
The intensity ratio of two exiting beams may be continuously varied over a wide dynamic range without alteration of other beam parameters by rotating the waveplate. Pure p-polarization could be selected for maximum transmission, or pure s-polarization for maximum attenuation of the transmitted beam.
