Waveplates

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We provide standard (air-spaced) and high power (optically bonded) wave plates. They are made from materials that has a birefringence property. Most common types are designed so ordinary ray would exhibit half (λ/2) or quarter (λ/4) wave retardation

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STA Series Waveplates

1. Crystalline Quartz Waveplates

waveplate waveplate

Features

Crystalline quartz waveplates are made from materials that have a birefringence property. Most common types are designed so that an ordinary ray will exhibit a half (λ/2) or quarter (λ/4) wave retardation with respect to an extraordinary ray. Such waveplates are used to rotate the plane of polarization, converting a linear polarization to a circular one and vice versa. Such elements are used for electro-optic modulations and as a variable ratio beam splitter when used in conjunction with a polarization cube. Although the latter two types of waveplates are the most common, we also offer custom retardation values on request.

One of the most common arrangements of the waveplates is the zero order (ZO) air-spaced version. These waveplates are built of two crystalline quartz plates with specific thicknesses and crossed axes, which results in a zero order performance. This arrangement allows us to reach a better performance for a wider wavelength range and is less sensitive to temperature changes when compared with low order (LO) waveplates. High purity crystalline quartz materials and precise parallelism between the two air-spaced plates allows the transmitted wavefront distortion to be better than λ/10 at 632.8 nm. 

Zero Order Crystalline Quartz Waveplates (air-spaced)

Typical Items Ø12.7 x 6 mm

Wavelength nm

Part number

Part number

 

λ/2 retardation, clear aperture >8mm

λ/4 retardation, clear aperture >8mm

343

STA-2-CPW-ZO-L2-0343-S

STA-2-CPW-ZO-L4-0343-S

355

STA-2-CPW-ZO-L2-0355-S

STA-2-CPW-ZO-L4-0355-S

400

STA-2-CPW-ZO-L2-0400-S

STA-2-CPW-ZO-L4-0400-S

515

STA-2-CPW-ZO-L2-0515-S

STA-2-CPW-ZO-L4-0515-S

532

STA-2-CPW-ZO-L2-0532-S

STA-2-CPW-ZO-L4-0532-S

800

STA-2-CPW-ZO-L2-0800-S

STA-2-CPW-ZO-L4-0800-S

1030

STA-2-CPW-ZO-L2-1030-S

STA-2-CPW-ZO-L4-1030-S

1064

STA-2-CPW-ZO-L2-1064-S

STA-2-CPW-ZO-L4-1064-S

Typical Items Ø25.4 x 6 mm

Wavelength nm

Part number

Part number

 

λ/2 retardation, clear aperture >18mm

λ/4 retardation, clear aperture >18mm

266

STA-2-CPW-ZO-L2-0266

STA-2-CPW-ZO-L4-0266

343

STA-2-CPW-ZO-L2-0343

STA-2-CPW-ZO-L4-0343

355

STA-2-CPW-ZO-L2-0355

STA-2-CPW-ZO-L4-0355

400

STA-2-CPW-ZO-L2-0400

STA-2-CPW-ZO-L4-0400

515

STA-2-CPW-ZO-L2-0515

STA-2-CPW-ZO-L4-0515

532

STA-2-CPW-ZO-L2-0532

STA-2-CPW-ZO-L4-0532

633

STA-2-CPW-ZO-L2-0633

STA-2-CPW-ZO-L4-0633

780

STA-2-CPW-ZO-L2-0780

STA-2-CPW-ZO-L4-0780

800

STA-2-CPW-ZO-L2-0800

STA-2-CPW-ZO-L4-0800

852

STA-2-CPW-ZO-L2-0852

STA-2-CPW-ZO-L4-0852

1030

STA-2-CPW-ZO-L2-1030

STA-2-CPW-ZO-L4-1030

1064

STA-2-CPW-ZO-L2-1064

STA-2-CPW-ZO-L4-1064

1550

STA-2-CPW-ZO-L2-1550

STA-2-CPW-ZO-L4-1550

* Customized solutions are available on request.

2. High Energy Waveplates

We provide standard (air-spaced) and high power (optically bonded) wave plates. They are made from materials that has a birefringence property. Most common types are designed so ordinary ray would exhibit half (λ/2) or quarter (λ/4) wave retardation with respect to an extraordinary one. Such wave plates are used to rotate the plane of polarization, convert linear polarization to circular and vice versa. Such elements are used for electro-optic modulation and as a variable ratio beam splitter, when used in conjunction with a polarization cube. Although latter two types of wave plates are the most common, we offer custom retardation values on request.waveplate

Features

 

Product ID

Product ID

Product ID

Wavelength, nm

λ/2 retardation,

clear aperture >8mm

λ/2 retardation, clear aperture >18mm

λ/4 retardation, clear aperture >18mm

266

 

ST2-CPW-TSO-L2-0266

ST2-CPW-T4O-L4-0266-W

343

ST2-CPW-TFO-L2-0343-S

ST2-CPW-TFO-L2-0343-W

ST2-CPW-TTO-L4-0343-W

355

ST2-CPW-TFO-L2-0355-S

ST2-CPW-TFO-L2-0355-W

ST2-CPW-TSO-L4-0355-W

400

ST2-CPW-TFO-L2-0400-S

ST2-CPW-TFO-L2-0400

ST2-CPW-TSO-L4-0400

515

ST2-CPW-TZO-L2-0515-S

ST2-CPW-TFO-L2-0515

ST2-CPW-TSO-L4-0515

532

ST2-CPW-TZO-L2-0532-S

ST2-CPW-TFO-L2-0532

ST2-CPW-TFO-L4-0532

780

 

 

ST2-CPW-TFO-L4-0780

800

ST2-CPW-TZO-L2-0800-S

ST2-CPW-TZO-L2-0800

ST2-CPW-TFO-L4-0800

1030

ST2-CPW-TZO-L2-1030-S

ST2-CPW-TZO-L2-1030

STST2-CPW-TFO-L4-1030

1064

ST2-CPW-TZO-L2-1064-S

ST2-CPW-TZO-L2-1064

ST2-CPW-TFO-L4-1064

1550

ST2-CPW-TZO-L2-1550-S

ST2-CPW-TZO-L2-1550

ST2-CPW-TZO-L4-1550

* Customized solutions are available on request.

3. S-waveplates (Radial Polarization Converters)

S-waveplate is a space-variant retarder that converts linear polarization to radial or azimuthal polarization. The product is unique for its high damage threshold, which exceeds that of alternative devices by 100 times. Unique results are achieved through the formation of subwavelength nanogratings inside fused silica glass. The enabling technology was developed by Prof. Peter G. Kazansky’s group in the Optoelectronics Research Centre at the University of Southampton.waveplate

Vector beams can be beneficial in polarization-sensitive applications. For example, a radially polarized beam is more efficient at drilling and cutting high-aspect-ratio features in metals. Vector beams are also applicable in optical tweezers, laser micromachining, STED microscopy and two-photon-excitation fluorescence microscopy.

Standard S-waveplate models are available for 343 nm, 354 nm, 488 nm, 515 nm, 532 nm, 632 nm, 800 nm, 1030 nm, 1064 nm and 1550 nm wavelengths (with custom wavelengths available on request). Dielectric anti-reflection coatings can be applied on both converter sides.

Operational wavelength, nm

Clear aperture, mm

Transmission of uncoated, %

Product ID of uncoated

Transmission of AR coated, %

Product ID of AR coated

343

2

>80

STA-RPC-343-02

>87

STA-RPC-343-02-AR

4

STA-RPC-343-04

STA-RPC-343-04-AR

6

STA-RPC-343-06

STA-RPC-343-06-AR

8

STA-RPC-343-08

STA-RPC-343-08-AR

10

STA-RPC-343-10

STA-RPC-343-10-AR

15

STA-RPC-343-15

STA-RPC-343-15-AR

355

2

>80

STA-RPC-355-02

>87

STA-RPC-355-02-AR

4

STA-RPC-355-04

STA-RPC-355-04-AR

6

STA-RPC-355-06

STA-RPC-355-06-AR

8

STA-RPC-355-08

STA-RPC-355-08-AR

10

STA-RPC-355-10

STA-RPC-355-10-AR

15

STA-RPC-355-15

STA-RPC-355-15-AR

488

2

>85

STA-RPC-488-02

>92

STA-RPC-488-02-AR

4

STA-RPC-488-04

STA-RPC-488-04-AR

6

STA-RPC-488-06

STA-RPC-488-06-AR

8

STA-RPC-488-08

STA-RPC-488-08-AR

10

STA-RPC-488-10

STA-RPC-488-10-AR

15

STA-RPC-488-15

STA-RPC-488-15-AR

515

2

>90

STA-RPC-515-02

>97

STA-RPC-515-02-AR

4

STA-RPC-515-04

STA-RPC-515-04-AR

6

STA-RPC-515-06

STA-RPC-515-06-AR

8

STA-RPC-515-08

STA-RPC-515-08-AR

10

STA-RPC-515-10

STA-RPC-515-10-AR

15

STA-RPC-515-15

STA-RPC-515-15-AR

532

2

>90

STA-RPC-532-02

>97

STA-RPC-532-02-AR

4

STA-RPC-532-04

STA-RPC-532-04-AR

6

STA-RPC-532-06

STA-RPC-532-06-AR

8

STA-RPC-532-08

STA-RPC-532-08-AR

10

STA-RPC-532-10

STA-RPC-532-10-AR

15

STA-RPC-532-15

STA-RPC-532-15-AR

632

2

>92

STA-RPC-632-02

>99

STA-RPC-632-02-AR

4

STA-RPC-632-04

STA-RPC-632-04-AR

6

STA-RPC-632-06

STA-RPC-632-06-AR

8

STA-RPC-632-08

STA-RPC-632-08-AR

10

STA-RPC-632-10

STA-RPC-632-10-AR

15

STA-RPC-632-15

STA-RPC-632-15-AR

780

2

>92

STA-RPC-780-02

>99

STA-RPC-780-02-AR

4

STA-RPC-780-04

STA-RPC-780-04-AR

6

STA-RPC-780-06

STA-RPC-780-06-AR

8

STA-RPC-780-08

STA-RPC-780-08-AR

10

STA-RPC-780-10

STA-RPC-780-10-AR

15

STA-RPC-780-15

STA-RPC-780-15-AR

800

2

>92

STA-RPC-800-02

>99

STA-RPC-800-02-AR

4

STA-RPC-800-04

STA-RPC-800-04-AR

6

STA-RPC-800-06

STA-RPC-800-06-AR

8

STA-RPC-800-08

STA-RPC-800-08-AR

10

STA-RPC-800-10

STA-RPC-800-10-AR

15

STA-RPC-800-15

STA-RPC-800-15-AR

1030

2

>92

STA-RPC-1030-02

>99

STA-RPC-1030-02-AR

4

STA-RPC-1030-04

STA-RPC-1030-04-AR

6

STA-RPC-1030-06

STA-RPC-1030-06-AR

8

STA-RPC-1030-08

STA-RPC-1030-08-AR

10

STA-RPC-1030-10

STA-RPC-1030-10-AR

15

STA-RPC-1030-15

STA-RPC-1030-15-AR

1064

2

>92

STA-RPC-1064-02

>99

STA-RPC-1030-02-AR

4

STA-RPC-1064-04

STA-RPC-1030-04-AR

6

STA-RPC-1064-06

STA-RPC-1030-06-AR

8

STA-RPC-1064-08

STA-RPC-1030-08-AR

10

STA-RPC-1064-10

STA-RPC-1030-10-AR

15

STA-RPC-1064-15

STA-RPC-1030-15-AR

1550

2

>92

STA-RPC-1550-02

>99

STA-RPC-1550-02-AR

4

STA-RPC-1550-04

STA-RPC-1550-04-AR

6

STA-RPC-1550-06

STA-RPC-1550-06-AR

8

STA-RPC-1550-08

STA-RPC-1550-08-AR

10

STA-RPC-1550-10

STA-RPC-1550-10-AR

15

STA-RPC-1550-15

STA-RPC-1550-15-AR

4.  Achromatic (Broadband) Waveplates

waveplateAchromatic (broadband) waveplates (AWP) are pair of crystalline quartz and magnesium fluoride plates of controlled thickness with crossed fast axes to create a λ/2 or λ/4 delay in the broad wavelength range. The difference in dispersion between materials allows the arrangement of a slow phase shift over a broad wavelength range.

Achromatic waveplates are needed for various devices, such as tunable laser sources, multiple laser line systems, and other broad-spectrum sources. Achromatic (Broadband) waveplates could be used to replace a number of single-wavelength quartz waveplates, making your system more convenient and easier to use.

Wavelength, nm

Product ID

Product ID

 

λ/2 retardation, clear aperture >8 mm

λ/4 retardation, clear aperture >8 mm

340-560

STA-2-APW-L2-008Z

STA-2-APW-L4-008Z

450-650

STA-2-APW-L2-008A

STA-2-APW-L4-008A

550-750

STA-2-APW-L2-008B

STA-2-APW-L4-008B

650-1100

STA-2-APW-L2-008C

STA-2-APW-L4-008C

 

λ/2 retardation, clear aperture >12 mm

λ/4 retardation, clear aperture >12 mm

340-560

STA-2-APW-L2-012Z

STA-2-APW-L4-012Z

450-650

STA-2-APW-L2-012A

STA-2-APW-L4-012A

550-750

STA-2-APW-L2-012B

STA-2-APW-L4-012B

650-1100

STA-2-APW-L2-012C

STA-2-APW-L4-012C

 

λ/2 retardation, clear aperture >18 mm

λ/4 retardation, clear aperture >18 mm

340-560

STA-2-APW-L2-018Z

STA-2-APW-L4-018Z

450-650

STA-2-APW-L2-018A

STA-2-APW-L4-018A

550-750

STA-2-APW-L2-018B

STA-2-APW-L4-018B

650-1100

STA-2-APW-L2-018C

STA-2-APW-L4-018C

STH Series Waveplates

Waveplate

Part #

(λ/100 Bandwidth)

λ/2 @532 nm

Acceptance Angle

Damage Threshold

Low order Waveplate

STH-WPL

0.55nm (T=0.5060
mm)

Med.

1GW/cm2

Zero Order

Cemented

STH-WPC

19.22nm
(ΔT=0.0145 mm)

Low

~ 10MW/cm2

Optically Contracted

STH-WPO

19.22nm
(ΔT=0.0145 mm)

Low

~200 MW/cm2

Air Spaced

STH-WPA

19.22nm (ΔT=0.0145 mm)

Low

~500 MW/cm2

True Zero Order Waveplate

Cemented

STH-WPF

19.22nm (T=0.0145 mm)

High

~ 10MW/cm2

Single Plate

STH-WPS

19.22nm (T=0.0145 mm)

High

> 1GW/cm2

Achromatic Waveplate

STH-WPB

250 nm

Low

10MW/cm2

Dual Wavelength Waveplate

STH-WPD

Very Small

Low

 

1. Low Order Waveplates

Low (multiple) order waveplate is designed to give a retardance of several full waves, plus the desired fraction. This result in a single, physically robust component with desired performance. However, even small changed in wavelength or temperature will result in significant changes in the desired fractional retardance. They are less expensive and find use in many applications where the increased sensitivities are not an important.

 Material

Quartz

 Wavelength Range

200~2300 nm,

 Dimension Tolerance

+/-0.1mm

 Surface Quality

20 / 10

 Parallelism

<1 arc Sec

 Retardation Tolerance

< λ/300

 Clear Aperture

>90%

 Damage Threshold

>500 MW/cm2

 Coating

AR coating

 Mount

Black Anodized Aluminium

Standard Wavelength:

355nm, 532nm, 632.8nnm, 780nm, 808nm, 850nnm, 980nm, 1064nm, 1310nm, 1480nm, 1550nm

Ordering Information

Quarter Waveplates P/N#

Half Waveplates P/N#

Diameter (∮mm )

ST-WPL410

STH-WPL210

10

ST-WPL412

STH-WPL212

12.7

ST-WPL415

STH-WPL215

15

ST-WPL420

STH-WPL220

20

ST-WPL425

STH-WPL225

25

ST-WPL430

STH-WPL230

30

2. Zero Order Waveplates

The zero order waveplate is designed to give a retardance of zero full waves, plus the desired fraction. Zero order waveplate shows better performance than multiple order waveplates. It has broad bandwidth and a lower sensitivity to temperature and wavelength changes. It should be considered for more critical applications.

 Material

Quartz

 Wavelength Range

200~2300 nm,

 Dimension Tolerance

+/-0.1mm

 Surface Quality

20 / 10

 Parallelism

<1 arc Sec

 Retardation Tolerance

< λ/500

 Clear Aperture

>90%

 Damage Threshold

>500 MW/cm2

 Coating

AR coating

 Mount

Black Anodized Aluminium

Standard Wavelength:

355nm, 532nm, 632.8nnm, 780nm, 808nm, 850nnm, 980nm, 1064nm, 1310nm, 1480nm, 1550nm

2.1 Zero Order Waveplates-Optically Contacted

This type of zero order waveplate is constructed of two low order waveplate with their axes crossed. Thus, the effect of the first plate is cancelled by the second, except for the residual difference between them.

Quarter Waveplates P/N #

Half Waveplates P/N #

Diameter (∮mm )

ST-WPO410

STH-WPO210

10

ST-WPO412

STH-WPO212

12.7

ST-WPO415

STH-WPO215

15

ST-WPO420

STH-WPO220

20

ST-WPO425

STH-WPO225

25

ST-WPO430

STH-WPO230

30

2.2 Zero Order Waveplates - Cemented by Epoxy

This type of zero order waveplate is constructed of two low order waveplate with their axes crossed. Thus, the effect of the first plate is cancelled by the second, except for the residual difference between them.

Quarter Waveplates P/N #

Half Waveplates P/N #

Diameter (∮mm )

STH-WPC410

STH-WPC210

10

STH-WPC412

STH-WPC212

12.7

STH-WPC415

STH-WPC215

15

STH-WPC420

STH-WPC220

20

STH-WPC425

STH-WPC225

25

STH-WPC430

STH-WPC230

30

2.3 Zero Order Waveplate - Air Spaced

Quarter Waveplates P/N #

Half Waveplates P/N #

Diameter (∮mm )

STH-WPA410

STH-WPA210

10

STH-WPA412

STH-WPA212

12.7

STH-WPA415

STH-WPA215

15

STH-WPA420

STH-WPA220

20

STH-WPA425

STH-WPA225

25

STH-WPA430

STH-WPA230

30

3. True Zero Order Waveplates

Material

Quartz

Wavelength Range

200~2300 nm,

Dimension Tolerance

+/-0.1mm

Surface Quality

20 / 1 0

Parallelism

<1 arc Sec 

Retardation Tolerance

< λ/300

Clear Aperture

>90%

Damage Threshold

>500 MW/cm2

Coating

AR coating

Mount

Black Anodized Aluminium

3.1 True Zero Order Waveplate-Single Plate 

This type of zero order waveplate is designed for high damage threshold applications (more than 1GW/cm2). As the plate is very thin, it's easy to break during operation.

Standard Wavelength:

Quarter Waveplates P/N #

HalfWaveplate P/N #

Diameter (∮mm )

STH-WPS410

STH-WPS210

10

STH-WPS412

STH-WPS212

12.7

STH-WPS415

STH-WPS215

15

STH-WPS420

STH-WPS220

20

STH-WPS425

STH-WPS225

25

STH-WPS430

STH-WPS230

30

3.2 True Zero Order Waveplate – Cemented

This type of zero order waveplate is constructed of a true zero order waveplate and a BK7 substrate. As the waveplate is very thin and easy to be damaged, the Bk7 plate's function is to strengthen the waveplate.

Standard wavelength:

532nm, 632.8nm, 780nm, 808nm,980nm, 1064nm,1310nm, 1480nm, 1550nm

Quarter Waveplates P/N #

HalfWaveplate P/N #

Diameter (∮mm )

STH-WPF410

STH-WPF210

10

STH-WPF412

STH-WPF212

12.7

STH-WPF415

STH-WPF215

15

STH-WPF420

STH-WPF220

20

STH-WPF425

STH-WPF225

25

STH-WPF430

STH-WPF230

30

4. Achromatic Waveplate

Achromatic waveplate is made from two different substrate materials such as crystal quartz and magnesium fluoride. For the single material waveplates the working wavelength is very limited because of the dispersion of the material. While two different kinds of material are used achromatic waveplate,  the dispersions of the birefringence are also different. Hence such waveplate is not sensitive to the wavelength change.

 Material

Quzrtz+MgF2

 Wavefront Distortion

350~2100 nm,

 Dimension Tolerance

+/-0.1mm

 Surface Quality

20 / 10

 Paralllelism

<1 arc Sec

 Retardation Tolerance

< λ/100

 Clear Aperture

>90%

 Damage Threshold

>500 MW/cm2

 Coating

AR Coating

 Mount

Black Anodized Aluminium

Standard Wavelength:

460-650nm, 550-750nm, 650-1000nm, 900-2100nm

Quarter Waveplates P/N#

Half Waveplates P/N#

Diameter (∮mm )

STH-WPB410

STH-WPB210

10

STH-WPB412

STH-WPB212

12.7

STH-WPB415

STH-WPB215

15

STH-WPB420

STH-WPB220

20

STH-WPB425

STH-WPB225

25

STH-WPB430

STH-WPB230

30

5. Dual Wavelength Waveplate

Dual wavelength waveplate is a multiple waveplate that provides a speciic retardance at two different wavelengths, it's particularly useful when used in conjunction with other polarization sensitive components to separate coaxial laser beams of different wavelength.

Material

Quartz

 Wavefront Distortion

350~2100 nm,

 Dimension Tolerance

+/-0.1mm

 Surface Quality

20 / 10

 Parallelism

<1 arc Sec

 Retardation Tolerance

< λ/100

 Clear Aperture

>90%

 Damage Threshold

>500 MW/cm2

 Coating

AR Coating

 Mount

Black Anodized Aluminium

 

Quarter Waveplates P/N#

Half Waveplates P/N#

Diameter (∮mm )

STH-WPD410

STH-WPD210

10

STH-WPD412

STH-WPD212

12.7

STH-WPD415

STH-WPD215

15

STH-WPD420

STH-WPD220

20

STH-WPD425

STH-WPD225

25

STH-WPD430

STH-WPD230

30

6. Polarization Rotator

Due to the rotation activity of natural quartz crystal, it also can be used as polarization rotators so that the plane of input linearly polarized beam will be rotated at special angle which is determined by the thickness of quartz crystal.

Material

Crystal Quartz 200-2500nm

Dimension Tolerance

±0.2mm

Rotation Accuracy

<5 arc minutes

Parallelism

<10 arc seconds

Wavefront Distortion

λ/4@632.8nm

Surface Quality

20/10 scratch and dig

Rotation

clockwise and counter-clockwise

Coating

AR coating available, R<0.25%@central wavelength

Polarizers

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