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Products / Cemented Achromatic Half Waveplates /

Cemented Achromatic Half Waveplates

Overview Specifications and Graphs Order Now!

Achromatic Half Waveplates are made from two different birefringent quartz plate with a fast axis quartz plate aligning with slow axis of magnesium fluoride. This allow a retardation value of λ/2 to be achieved across the range of wavelengths targeted.

Cemented Achromatic Half Waveplates have their two components bonded together through cementing. They have a smaller temperature range as the cement could be damaged by a high-powered laser. The beam deviation is relatively around an arc minutes range with a lower transmitted wavefront tolerance. However, this is still useful in low power situations and is economical.

General Specifications
Type	Cemented Achromatic Half Waveplate
Material	Quartz+MgF2
Retardation	λ/2
Retardation Tolerance	λ/100
Dimensional Tolerance(mm)	+0/-0.2
Thickness Tolerance(mm)	±0.1
Parallelism(arcsec)	<10
Clear Aperture	>80%
Surface Quality	40/20
Wavefront Distortion	<λ/4@633nm
Damage Threshold(pulsed)	>500mJ/cm²(20ns 20Hz 1064nm)

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Design Wavelength (nm)

Diameter (mm)

Search Reset

	Design Wavelength (nm)	Retardation	Diameter (mm)	Mount Diameter (mm)	Availability	Reference Price (USD)
QM-CAHWP-10-450-650-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 10mm, AR Coating: R<1% @450-650nm	450-650	λ/2	10	25.4	2-3 Weeks	Request for quote
QM-CAHWP-10-550-750-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 10mm, AR Coating: R<1% @550-750nm	550-750	λ/2	10	25.4	2-3 Weeks	Request for quote
QM-CAHWP-10-650-1100-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 10mm, AR Coating: R<1% @650-1100nm	650-1100	λ/2	10	25.4	2-3 Weeks	Request for quote
QM-CAHWP-10-900-2100-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 10mm, AR Coating: R<1% @900-2100nm	900-2100	λ/2	10	25.4	2-3 Weeks	Request for quote
QM-CAHWP-15-450-650-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 15mm, AR Coating: R<1% @450-650nm	450-650	λ/2	15	25.4	2-3 Weeks	Request for quote
QM-CAHWP-15-550-750-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 15mm, AR Coating: R<1% @550-750nm	550-750	λ/2	15	25.4	2-3 Weeks	Request for quote
QM-CAHWP-15-650-1100-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 15mm, AR Coating: R<1% @650-1100nm	650-1100	λ/2	15	25.4	2-3 Weeks	Request for quote
QM-CAHWP-15-900-2100-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 15mm, AR Coating: R<1% @900-2100nm	900-2100	λ/2	15	25.4	2-3 Weeks	Request for quote
QM-CAHWP-20-450-650-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 20mm, AR Coating: R<1% @450-650nm	450-650	λ/2	20	25.4	2-3 Weeks	Request for quote
QM-CAHWP-20-550-750-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 20mm, AR Coating: R<1% @550-750nm	550-750	λ/2	20	25.4	2-3 Weeks	Request for quote
QM-CAHWP-20-650-1100-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 20mm, AR Coating: R<1% @650-1100nm	650-1100	λ/2	20	25.4	2-3 Weeks	Request for quote
QM-CAHWP-20-900-2100-M Quartz+MgF2, Cemented Achromatic Half Waveplate, Ø= 20mm, AR Coating: R<1% @900-2100nm	900-2100	λ/2	20	25.4	2-3 Weeks	Request for quote

QM-CAHWP-20-900-2100-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @900-2100nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

900-2100

Surface Quality

40/20

Clear Aperture

18mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-20-650-1100-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @650-1100nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

650-1100

Surface Quality

40/20

Clear Aperture

18mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-20-550-750-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @550-750nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

550-750

Surface Quality

40/20

Clear Aperture

18mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-20-450-650-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @450-650nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

450-650

Surface Quality

40/20

Clear Aperture

18mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-15-900-2100-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @900-2100nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

900-2100

Surface Quality

40/20

Clear Aperture

13.5mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-15-650-1100-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @650-1100nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

650-1100

Surface Quality

40/20

Clear Aperture

13.5mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-15-550-750-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @550-750nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

550-750

Surface Quality

40/20

Clear Aperture

13.5mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-15-450-650-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @450-650nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

450-650

Surface Quality

40/20

Clear Aperture

13.5mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-10-900-2100-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @900-2100nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

900-2100

Surface Quality

40/20

Clear Aperture

8mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-10-650-1100-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @650-1100nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

650-1100

Surface Quality

40/20

Clear Aperture

8mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-10-550-750-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @550-750nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

550-750

Surface Quality

40/20

Clear Aperture

8mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-10-450-650-M - Parameter

Type

Cemented Achromatic Half Waveplate

Material

Quartz+MgF2

Coating

R<1% @450-650nm

Diameter (mm)

Thickness Tolerance (mm)

±0.1

Design Wavelength (nm)

450-650

Surface Quality

40/20

Clear Aperture

8mm

Damage Threshold (pulsed)

>500mJ/cm²(20ns 20Hz 1064nm)

Dimensional Tolerance (mm)

+0/-0.2

Thickness (mm)

Wavefront Distortion

<λ/4@633nm

Parallelism (arcsec)

<10

Retardation

λ/2

Retardation Tolerance

<λ/100

Mount Diameter (mm)

25.4

Mount Thickness (mm)

Mount Diameter Tolerance (mm)

+0/-0.2

Mount Thickness Tolerance (mm)

±0.2

QM-CAHWP-20-900-2100-M - Download

Download

QM-CAHWP-20-650-1100-M - Download

Download

QM-CAHWP-20-550-750-M - Download

Download

QM-CAHWP-20-450-650-M - Download

Download

QM-CAHWP-15-900-2100-M - Download

Download

QM-CAHWP-15-650-1100-M - Download

Download

QM-CAHWP-15-550-750-M - Download

Download

QM-CAHWP-15-450-650-M - Download

Download

QM-CAHWP-10-900-2100-M - Download

Download

QM-CAHWP-10-650-1100-M - Download

Download

QM-CAHWP-10-550-750-M - Download

Download

QM-CAHWP-10-450-650-M - Download

Download

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