Achromatic Waveplates (Retarders)

  • Four Ranges Available: 465-610nm, 610-850nm, 700-1000nm, 1200-1650nm
  • Flat Response Over Each Broad Spectral Range
  • Available in 1/4 or 1/2 Wave Retardation

Unlike standard waveplates, Achromatic Waveplates provide a constant phase shift independent of the wavelength of light that is used. This wavelength independence is achieved by using two different crystalline materials to yield quarter- or half-wave retardation over a broad spectral range. The relative shifts in retardation over the wavelength range are balanced between the two birefringent materials used. The flat response of an Achromatic Waveplate is ideal for use with tunable lasers, multiple laser-line systems and other broad spectrum sources. Designed to be used at an angle of incidence of 0°, changes of ±3° will yield <1% change in the retardance. Waveplates have air spaced construction in a black anodized aluminum housing. Fast axis is marked on the mount.

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Description Stock No. Price In Stock  
Showing 1-16 of 16 Items | Sort by Spec
25.4mm Dia, 1/4 Wave Achromatic Waveplate, 465-610nm
NT46-558 $750.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 11.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 8.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 465-610
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <1% Per Surface from 465-610nm
RoHS Compliant
25.4mm Dia, 1/2 Wave Achromatic Waveplate, 465-610nm
NT46-559 $750.00 Click to receive an email with delivery information. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 11.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 8.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 465-610
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <1% Per Surface from 465-610nm
RoHS Compliant
25.4mm Dia, 1/4 Wave Achromatic Wave Plate, 610 - 850nm
NT63-935 $750.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 11.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 8.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 610 - 850
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.7% Per Surface from 610-850nm
RoHS Compliant
25.4mm Dia, 1/2 Wave Achromatic Wave Plate, 610 - 850nm
NT63-936 $750.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 11.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 8.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 610 - 850
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.7% Per Surface from 610-850nm
RoHS Compliant
25.4mm Dia, 1/4 Wave Achromatic Waveplate, 700-1000nm
NT46-560 $750.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 11.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 8.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 700-1000
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.6% Per Surface from 700-1000nm
RoHS Compliant
25.4mm Dia, 1/2 Wave Achromatic Waveplate, 700-1000nm
NT46-561 $750.00 Click to receive an email with delivery information. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 12.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 9.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 700-1000
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.6% Per Surface from 700-1000nm
RoHS Compliant
25.4mm Dia, 1/4 Wave Achromatic Waveplate, 1200-1650nm
NT46-562 $750.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 11.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 8.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 1200-1650
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.5% Per Surface from 1200-1650nm
RoHS Compliant
25.4mm Dia, 1/2 Wave Achromatic Waveplate, 1200-1650nm
NT46-563 $750.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 25.40
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 12.50
Thickness Tolerance (mm) ±0.1
Thickness (mm) 9.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 1200-1650
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.5% Per Surface from 1200-1650nm
RoHS Compliant
30mm Dia, 1/4 Wave Achromatic Waveplate, 465-610nm
NT48-497 $810.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 465-610
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <1% Per Surface from 465-610nm
RoHS Compliant
30mm Dia, 1/2 Wave Achromatic Waveplate, 465-610nm
NT48-498 $810.00 Click to receive an email with delivery information. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 465-610
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <1% Per Surface from 465-610nm
RoHS Compliant
30mm Dia, 1/4 Wave Achromatic Waveplate, 610 - 850nm
NT65-919 $810.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 610-850
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.7% Per Surface from 610-850nm
RoHS Compliant
30mm Dia, 1/2 Wave Achromatic Waveplate, 610 - 850nm
NT65-920 $810.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 610-850
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.7% Per Surface from 610-850nm
RoHS Compliant
30mm Dia, 1/4 Wave Achromatic Waveplate, 700-1000nm
NT48-499 $810.00 Click to receive an email with delivery information. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 700-1000
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.6% Per Surface from 700-1000nm
RoHS Compliant
30mm Dia, 1/2 Wave Achromatic Waveplate, 700-1000nm
NT48-500 $810.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 700-1000
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.6% Per Surface from 700-1000nm
RoHS Compliant
30mm Dia, 1/4 Wave Achromatic Waveplate, 1200-1650nm
NT48-501 $810.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 1200-1650
Retardance 1/4λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.5% Per Surface from 1200-1650nm
RoHS Compliant
30mm Dia, 1/2 Wave Achromatic Waveplate, 1200-1650nm
NT48-502 $810.00 In stock and ready to ship. Click to add this item to your cart.
Housing Diameter (mm) 30.00
Housing Tolerance (mm) +0/-0.25
Clear Aperture CA (mm) 23.00
Thickness Tolerance (mm) ±0.15
Thickness (mm) 6.0
Surface Quality 20-10
Parallelism (arcminutes) <1
Transmitted Wavefront, RMS (λ) 1/4 @ 633nm
Substrate Crystal Quartz and MgF2
Wavelength (nm) 1200-1650
Retardance 1/2λ
Retardance Tolerance (λ) ≤1/100
Damage Threshold, CW (kW/cm2) 500
Temperature Coefficient (λ/°C) <1/500
Coating Rave <0.5% Per Surface from 1200-1650nm
RoHS Compliant
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