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Achromatic quarter wave plate, half wave plate
Optogama air gap wideband waveplates have a wavelength range of 460-1700nm. These wideband Achromatic waveplates are formed by aligning the fast axis
Product details
Achromatic quarter wave plate, half wave plate,Air gap design, 460-1700nm
OptogamaThe achromatic waveplate is composed of a birefringent quartz plate and magnesium fluoride. By aligning the fast axis of the former with the slow axis of the latter, the relative phase difference between the two axes is λ/4Or λ/2The combination of quartz crystal and magnesium fluoride can reduce the influence of wavelength on phase delay, allowing zero order achromatic waveplates to obtain approximately flat spectral response within the working wavelength range.
OptogamaThe achromatic (wideband) waveplate has two sizes, namelyø12mmandø18mm, installed inØ25.4mmNon threaded, oxidized and blackened aluminum shell. For both sizes of waveplates, the anodized aluminum casing is engraved with the wavelength range and type used(λ/4Or λ/2wave plate)
.The air gap structure enables these waveplates to be used for high-power applications and damage thresholds> 8J / cm 2@ 1064 nm，10 ns(For)
1064 nmWaveplate).
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Optogama |
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Specification of achromatic waveplate: |
achromatic waveplate |
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material |
High purity quartz crystal and magnesium fluoride |
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type |
Air gap |
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Typical Delay Tolerance |
<λ/ 100@20 °Cparallelism |
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<5 |
second |
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SURFACE QUALITY |
40-20 S-D |
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Transmission wavefront distortion |
<λ/8@632,8 nmcoatingDouble sided wideband |
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AR |
antireflection coatingdamage threshold>8 J/ cm2@1064 nm, 10 ns (regarding650-1100nm |
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wave plate |
)installInstalled on |
ø25.4x6mmBlack anodized metal mounting bracket
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Optogama |
Achromatic waveplate model: |
Delay amount |
wavelength |
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Effective apertureSKU |
λ |
/4 |
8106 |
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460-650nmø12mm |
λ |
/2 |
8107 |
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460-650nmø12mm |
λ |
/4 |
8108 |
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460-650nmø18mm |
λ |
/2 |
8109 |
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460-650nmø18mm |
λ |
/4 |
8110 |
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650-1100nmø12mm |
λ |
/2 |
8111 |
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650-1100nmø12mm |
λ |
/4 |
8112 |
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650-1100nmø18mm |
λ |
/2 |
8113 |
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650-1100nmø18mm |
λ |
/4 |
8114 |
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1000-1700nmø12mm |
λ |
/2 |
8115 |
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1000-1700nmø12mm |
λ |
/4 |
8116 |
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1000-1700nmø18mm |
λ |
/2 |
8117 |
1000-1700nmø18mm
OptogamaCharacteristics of achromatic waveplate:
-Air gap design, high damage threshold;
-Spectral flat delay-Anti reflective film:460-650nm、650-1100nm、
1000-1700nm；
-Quarter and half wave plates are optional;-Installed on
ø25.4xsixMillimeter black anodized metal mounting seat;-ø18
Millimeter aperture andø12Two types of light apertures are available in millimeters;-
Double sided anti reflective film（R<0.5%
）；-
Wave plate size, operating wavelength, and delay can be customized according to needsOptogama
Application of achromatic waveplate:-
Linear to circular polarization transformation, and vice versa-
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