P o l a r i z e r s I N D E X
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1 P o l a r i z e r s
2 P o l a r i z e r s I N D E X
3 Human eyes have no ability to perceive the polarization of light. Also, the most of the optical detectors T! " #$%&'%( T! )$*#$+( "%,-.+( /$+-%( 0..-%$. 0#&.$+& 1 Plastic Sheet (USP) 2345 ow cost, weight Inferior Variable adjustment of laser intensity (PBS) 2476 Mica (WPM) 2464 Substitute use as optical retarder Substitute use as phase sensitive color plate (visually intensify the retardance distribution) Combine or separate the polarized beam Observation of stress (birefringence) distribution Visible Sheet (SPF) 2466 Quartz (WPQ) 2487 Provide stationary linear polarization light in visible region Provide exact optical retardation for each wavelength of laser A simple polarization experimental setup, optical systems (Variable attenuator, Polarization interferometer, isolator) Glan Thompson (GTPC) 2469 Provide linearly polarized light with excellent extinction ratio in visible region Polarization measurements (Extinction ratio, retardation) Fresnel Rhombs Retarders (FRB) 2463 Provide stationary optical retardation in a broad wavelength range. Superior A typical applications for polarized light Data Selection P W international@sigma-koki.com TE FAX B073
4 BCD E FGD PBS-C IJKMNOMQRN RUJKVXYXZ[ \NK]^RJXMMNV^ KVN UZN U_ RJKMN M`KM X^ aukmnb cxm` RUJKVXYXZ[ aukmxz[d H at Brewster s angle. The losses of input beam of these products are minimized because of no absorption of dielectric coating. n$+%&$# opqr s1+t+&.!-(, (&#&.$ /10 Extinction ratio of transmission Ts : Tp = 1 : 200 Beam Deviation Coating Surfa Clear aperture <5 Front surface: Dielectric multi-layer polarization coating Rear surface: No coating 90% of the diameter efghi Schematic Please contact our International Sales Division for customized products. (Customized on size, wavelength,extinction ratio etc.) If the surface accuracy is required after coating, please contact our International Sales Divison. jkkilkgml before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. Rear surface is no coating. Outline Drawing Tolerance Diameter D +0 (in mm) Data Beamsplitter "$%+ Number Wavelength Range Diameter D [mm] Maximum diameter of transmitted beam [mm] Material Incident angle [ ] Transmittance of P polarized light S polarized light aser Damage Threshold* [%] [%] [J/cm 2 ] PBS-20C Synthetic fused silica 56.3 >92 >95 2 PBS-25.4C Synthetic fused silica 56.3 >92 >95 2 PBS-30C Synthetic fused silica 56.3 >92 >95 2 PBS-20C Synthetic fused silica 55.9 >94 >95 2 PBS-25.4C Synthetic fused silica 55.9 >94 >95 2 PBS-30C Synthetic fused silica 55.9 >94 >95 2 PBS-20C BK >95 >98 5 PBS-25.4C BK >95 >98 5 PBS-30C BK >95 >98 5 PBS-20C BK >96 >98 7 PBS-25.4C BK >96 >98 7 PBS-30C BK >96 >98 7 u v1.&,1+ $1w#xyr z$(% -#( {&,+t x1(r %+&+& 1!%}-1. ~x' B074
5 Catalog Code ƒ ˆg Š ŒŠlŽgkkŠl i ŠkŠ T: Transmission Data Beamsplitter Compatible Optic Mounts W international@sigma-koki.com TE FAX B075
6 Catalog High Power PBSHP Code ƒ š X[` IUcNV IUJKVXYXZ[ œnk]^rjxmmnv^ `KN ]UVN JK^NV bžvk\xjxmq au]rkvnb MU UžV ^MKZbKVb (PBS). beamsplitters consist of two right angle prisms. One of them is coated with dielectric multi-layer polarizing coating on the hypotenuse surface. H beamsplitters split monochromatic beam entering at zero degrees into p-polarization as transmitted and The losses of input beam of these products are minimized because of no absorption of dielectric coating. For cube beamsplitters, unlike plate beamsplitters, beam deviations of transmitted beams and ghosts rarely occur. n$+%&$# opqr s1+t+&.!-(, (&#&.$ /4 Angular deviation of transmitted beam Coating Incident angle 0 <10 transmittance of P polarized light >97% Hypotenuse Surface: Dielectric multi-layer polarizing coating Extinction ratio of transmission Ts : Tp = 1 : 200 Schematic Surfa Clear aperture Circle inscribed in a square of 85% of the dimensions efghi Please contact our International Sales Division for customized products. (Customized on size, wavelength etc.) There is also a high extinction ratio Glan-Thompson prism (GTPB/ GTPC). Ÿ Outline Drawing Tolerance ength AB±0.2 Height C±0.1 (in mm) jkkilkgml Input beam from the prism on the side indicated by. When the light is incident from the side of the prism without mark, there is a possibility that the characteristics of the transmittance and extinction ratio changes. before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. Data Beamsplitter "$%+ Number Wavelength Range A=B=C [mm] Material S polarized light [%] aser Damage Threshold* [J/cm 2 ] PBSHP Synthetic fused silica >97 2 PBSHP Synthetic fused silica >97 2 PBSHP Synthetic fused silica >97 2 PBSHP Synthetic fused silica >97 2 PBSHP BK7 >97 5 PBSHP BK7 >97 5 PBSHP BK7 >97 5 PBSHP BK7 >97 5 PBSHP BK7 >97 7 PBSHP BK7 >97 7 PBSHP BK7 >97 7 PBSHP BK7 >97 7 u v1.&,1+ $1w# xyr #$(% -#( {&,+t x1(r %+&+& 1!%}-1. ~x' ˆg Š ŒŠlŽgkkŠl i ŠkŠ T: Transmission Compatible Optic Mounts O, -40PHRO / MHG12.7PAD + MHG-MP30-N / MHG-20PAD + MHG-MP30-N B076
7 Catalog Broadband PBSW Code ƒ œvukb\kzb IUJKVXYXZ[ œnk]^rjxmmnv^ ^NM žr K RUJKVXYXZ[ \KZb cxbnjqd beamsplitters consist of two right angle prisms. One of them is coated with dielectric multi-layer polarizing coating on the hypotenuse surface. H beamsplitters split the light entering at zero degrees into p-polarization as transmitted and s-polarization as For cube beamsplitters, unlike plate beamsplitters, beam deviations of transmitted beams and ghosts rarely occur. Schematic n$+%&$# Angular deviation of transmitted beam Coating efghi opqr sp~r s/ r s1+t+&.!-(, (&#&.$ /4 Incident angle 0 aser Damage Threshold Surfa Clear aperture <10 Hypotenuse Surface: Dielectric multi-layer polarizing coating 0.3J/cm 2 (aser pulse with 10ns,repetition frequency 20Hz) Circle inscribed in a square of 85% of the dimensions Please contact our International Sales Division for customized products. (Customized on size, wavelength etc.) There is also a high extinction ratio Glan-Thompson prism (GTPB/ GTPC). Ÿ Outline Drawing Tolerance ength AB±0.2 Height C±0.1 (in mm) jkkilkgml Input beam from the prism on the side indicated by. When the light is incident from the side of the prism without mark, there is a possibility that the characteristics of the transmittance and extinction ratio changes. before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. "$%+ Number Wavelength Range A=B=C [mm] Material Transmittance of P polarized light [%] S polarized light [%] Extinction ratio of transmission* Ts : Tp PBSW Synthetic fused silica >85 >90 1:100 PBSW Synthetic fused silica >85 >90 1:100 PBSW Synthetic fused silica >85 >90 1:100 PBSW Synthetic fused silica >85 >90 1:100 PBSW Synthetic fused silica >85 >95 1:100 PBSW Synthetic fused silica >85 >95 1:100 PBSW Synthetic fused silica >85 >95 1:100 PBSW Synthetic fused silica >85 >95 1:100 PBSW BK7 >85 > Average 85 1:200 PBSW BK7 >85 > Average 85 1:200 PBSW BK7 >85 > Average 85 1:200 PBSW BK7 >85 > Average 85 1:200 PBSW BK7 >92 >97 1:200 PBSW BK7 >92 >97 1:200 PBSW BK7 >92 >97 1:200 PBSW BK7 >92 >97 1:200 PBSW-10-3/7 10 SK2 > Average 92 > Average 95 1:500* PBSW / SK2 > Average 92 > Average 95 1:500* PBSW-15-3/7 15 SK2 > Average 92 > Average 95 1:500* PBSW-20-3/7 20 SK2 > Average 92 > Average 95 1:500* PBSW-10-4/10 10 SF15 > Average 92 > Average 95 1:500* PBSW / SF15 > Average 92 > Average 95 1:500* PBSW-15-4/10 15 SF15 > Average 92 > Average 95 1:500* PBSW-20-4/10 20 SF15 > Average 92 > Average 95 1:500* PBSW-10-10/20 10 SF15 > Average 94 > Average 95 1:300* PBSW / SF15 > Average 94 > Average 95 1:300* PBSW-15-10/20 15 SF15 > Average 94 > Average 95 1:300* PBSW-20-10/20 20 SF15 > Average 94 > Average 95 1:300* u v+ &( +t $*%$w +&1.+& 1 %$+& +%$1(ª&((& 1 &1 +t {$*#1w+t %$1w«Data Beamsplitter W international@sigma-koki.com TE FAX B077
8 F E FGD PBSW ˆg Š ŒŠlŽgkkŠl i ŠkŠ T: Transmission Data Beamsplitter Compatible Optic Mounts O, -40PHRO / MHG12.7PAD + MHG-MP30-N / MHG-20PAD + MHG-MP30-N B078
9 Catalog E FGD PBS Code ƒ beamsplitters consist of two right angle prisms. One of them is coated with dielectric multi-layer polarizing coating on the hypotenuse surface. beamsplitters split monochromatic beam entering at zero degrees into p-polarization as H The losses of input beam of these products are minimized because of no absorption of dielectric coating. For cube beamsplitters, unlike plate beamsplitters, beam deviations of transmitted beams and ghosts rarely occur. Schematic Outline Drawing Tolerance ength AB±0.2 Height C±0.1 (in mm) n$+%&$# Angular deviation of transmitted beam Coating efghi Please contact our International Sales Division for customized products. (Customized on size, wavelength etc.) Plate-type of (PBS-C) is also available upon your request. Ÿ There is also a high extinction ratio Glan-Thompson prism (GTPB/ GTPC). Ÿ jkkilkgml opq /4 Incident angle 0 <10 Hypotenuse Surface: Dielectric multi-layer polarizing coating transmittance of P polarized light >97% (405nm: >90%) Extinction ratio of transmission Ts : Tp = 1 : 1000 aser Damage Threshold Surfa Clear aperture 0.3J/cm 2 (aser pulse with 10ns,repetition frequency 20Hz) Circle inscribed in a square of 85% of the dimensions Input beam from the prism on the side indicated by. When the light is incident from the side of the prism without mark, there is a possibility that the characteristics of the transmittance and extinction ratio changes. The transmittance curves are based on actual measurements and might be different with manufacturing lots. before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. "$%+ Number Wavelength Range A=B=C [mm] S polarized light [%] PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 "$%+ Number Wavelength Range A=B=C [mm] S polarized light [%] PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >98 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 PBS >97 Data Beamsplitter W international@sigma-koki.com TE FAX B079
10 E FGD PBS ˆg Š ŒŠlŽgkkŠl i ŠkŠ T: Transmission Data Beamsplitter Compatible Optic Mounts O, -40PHRO / MHG-12.7PAD + MHG-MP30-N / MHG-20PAD + MHG-MP30-N B080
11 Contact sheet for polarization beamsplitter Estimation Order Data Beamsplitter W international@sigma-koki.com TE FAX B081
12 ±DDication Note Ñ`N cknrjkmn akz ]KZXRžJKMN M`N RUJKVXYKMXUZ ^MKMN cxm`užm K a`kz[n XZ JX[`M XZMNZ^XMQd Commonly used applications for the waveplate are described in this section. Half waveplate (/2 retardation waveplate) ²³ µ µ ³¹ º»¼ ½ ¾»µ ½¹À»µ Á³ ¼¹ Âà µ ³¹ The half waveplate is used to change direction of the linear polarization. When the crystal axis (fast axis or slow axis) is aligned parallelyl with the polarization direction of the incident beam, the polarization of the exit beam will maintain the same direction. When the crystal axis of the waveplate is rotated for from polarization direction of the incident beam, the polarization of the exit beam rotates for 2 from polarization direction of the incident beam. Using this effect, the direction of the linear polarization is arbitrarily rotated with the rotation of the half waveplate. This method has a merit that the polarization direction is rotatable without change in light intensity. When the polarization direction of the waveplate is rotated for 90, the extinction ratio of linear polarization is slightly deteriorated due to the retardation error. For this reason, insertion of a polarizer next to the waveplate is recommended for the precise polarization measurement, which requires high extinction ratio. ÄÅÆÇÈÉÊ ËÌÍ ÎÈÊÌË ÈÉËÍÉÏÈËÇ By combining the polarization beam splitter (PBS) and half waveplate, it is possible to vary the light intensity. One of the features is dynamic range of light intensity adjustment. (97% to 0.3%, depending on the quality of the PBS) Data Ðà A half waveplate is used when aligning P and S-polarized light which is separated by PBS into same polarization direction. Below is an example of optical system to expose the grating by two-beam interferometry. Interference fringes with good contrast can be obtained by aligning the polarization direction. B082
13 Quarter waveplate (/4 retardation waveplate) ÒÓ ÔÕ ÖÕ Ø ÓÙ ÚÙÛÜ ÝÓ ÞÔÛ ßÝ àùþßýôáßóôùû ÔÛÓÙ ÚÔÝÚular polarization, but also commonly used for the polarization measurements. âã¹» º½¹ä¹µ ³¹ å Àæ ½¹ç¹À»µ the laser. An optical isolator is used to prevent this returning light. A typical optical isolators are composed of quarter waveplate and a polarizer. degrees is obtained from phase difference amount of twice passed through the quarter waveplate. èïíé êëæ ìëîåæèíåëèëé îíåïïæíîíéë ðñíéåæîëéë îíëìëéò Feature of quarter waveplate is that it is possible to convert incident linear polarization into circular polarization, but also into other state of linear polarization or various elliptical polarization. Conversely, when elliptical axis of incident light is accurately aligned against quarter waveplate optical axis, arbitrary elliptical polarization can be converted into linear polarization. The azimuth The polarization measurement using this principle is named Senarmont method. Senarmont method is commonly used when measuring minute stress (birefringence). Ðà A Michelson interferometer using a PBS and quarter waveplate is introduced. Incident light is collected on the observation side without a loss, but in order to observe polarization, insertion of the polarizer is demanded with 50% reduction of light intensity. λ Data W international@sigma-koki.com TE FAX B083
14 F ó ôõd WPQW Air spaced type two-piece waveplates. Compatible with high-energy lasers (no optical contact occurs). These products utilize birefringence of quartz and give phase difference of or /4 retarders convert linearly polarization to circularly and circularly polarization to linearly. /2 retarders convert the direction of polarization arbitrarily. H of crystalline quartz plates and are mounted on aluminum frames. n$+%&$# ö+&.$# w%$,.%(+$##&1 }-$%+(r nw/2 Material of frame Aluminum Finishing: Black anodized Clear aperture Transmitted wavefront distortion Angular deviation of beam Coating 14!14mm /4 (per one surface) <5 Transmittance > Average 98% Both surfaces: Narrowband multi-layer Schematic øùúû üýúþ ÿ üþù efghi Custom-made air spaced type broadband quartz waveplates for other wavelengths are also available. Please feel free to contact us. Standard thickness of Aluminum frame is 6mm (subject to differ without notice). axis is parallel to the edge of 14mm squared plate. jkkilkgml These products can be used for the beams which wavelengths are in before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. Outline Drawing (in mm) øùúû üýúþ ÿþ Data Visible "$%+ Number Type "$%+ Number Type Wavelength Range Wavelength Range Theoretical retardation =400nm =500nm =600nm =700nm Theoretical retardation =650nm =700nm =750nm =800nm aser Damage Threshold* [J/cm 2 ] / / aser Damage Threshold* [J/cm 2 ] WPQW-65/78-2M / WPQW-65/78-4M / "$%+ Number Type "$%+ Number Type Wavelength Range Wavelength Range Theoretical retardation =700nm =800nm =900nm =1000nm Theoretical retardation =1000nm =1200nm =1400nm =1600nm aser Damage Threshold* [J/cm 2 ] / / aser Damage Threshold* [J/cm 2 ] / / u z$(% -#( {&,+t x1(r %+&+& 1!%}-1. ~x' B084
15 Catalog Code ƒ ƒ ˆg Š jltf ŠŒ gi h ŠkŠ Data Compatible Optic Mounts 30-ARS / SPH-30-ARS W international@sigma-koki.com TE FAX B085
16 Catalog ± D ACD ôõd WPQG Code ƒ W XV ^RKaNb MQRN McUORXNaN cknrjkmn^d U]RKMX\JN cith high-energy lasers (no optical contact occurs). HThese products utilize birefringence of quartz and give phase difference of /4 retarders convert linearly polarization to circularly and circularly polarization to linearly. /2 retarders convert the direction of polarization arbitrarily. of crystalline quartz plates and are mounted on aluminum frames. Custom-made air spaced type waveplates for other wavelengths (248nm, 257nm, 308nm etc.) are also available. n$+%&$# ö+&.$# w%$,.%(+$##&1 }-$%+( Material of frame Aluminum Finishing: Black anodized Clear aperture 15!15mm Angular deviation of beam Coating Transmittance /10 <5 Both surfaces: Narrowband multi-layer >98 efghi Schematic!! "#$%&$% '%( Please contact our International Sales Division for customized products. (Customized on size etc.) jkkilkgml Unlike multiple-order (higher-order) waveplates that are made from a single quartz plate, the net retardations of zero-order waveplates are almost not affected by temperature change. axis is parallel to the edge of 15mm squared plate. These products can be used for the beams which wavelengths are in before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. Standard thickness of Aluminum frame is 8.3mm (subject to differ without notice). Outline Drawing (in mm) Data /2 "$%+ Number Wavelength Range Theoretical retardation Retardation tolerance aser Damage Threshold* [J/cm 2 ] WPQG M </ WPQG M </50 4 WPQG M /200 4 WPQG M /500 7 * aser pulse width 10ns, repetition frequency 20Hz /4 "$%+ Number Wavelength Range Theoretical retardation Retardation tolerance aser Damage Threshold* [J/cm 2 ] WPQG M </ WPQG M </50 4 WPQG M /200 4 WPQG M /500 7 u z$(% -#( {&,+t x1(r %+&+& 1!%}-1. ~x' B086
17 ó ôõd WPQ QžKVMY cknrjkmn^ KVN YNVUOUVbNV VNMKVbKMXUZ RJKMN^ *R`K^N RJKMN^+ c`xa` KVN K^^N]\JNb _VU] RKXV^ of optically contacted crystalline quartz plates and are mounted on aluminum frames. Unlike multiple-order (higher-order) waveplates that are made from a single quartz plate, the net retardations of zero-order waveplates are almost not affected by temperature change. H/)ese products utilize birefringence of quartz and give phase difference of /4 retarders convert linearly polarization to circularly and circularly polarization to linearly. /2 retarders convert the direction of polarization in 90 degrees. Usually linearly polarized beams are input to the waveplates in a leaning of 45 degrees against its optic axis. n$+%&$# ö+&.$# w%$,.%(+$##&1 }-$%+( Material of frame Aluminum Finishing: Black anodized Clear aperture Angular deviation of beam Coating Transmittance aser Damage Threshold efghi 15!15mm /10 <5 Both surfaces: Narrowband multi-layer >98.5 1J/cm 2 (aser pulse width 10ns, repetition frequency 20Hz) Schematic, ;8<=0><=6?2=@ Please contact our International Sales Division for customized products. (Customized on size etc.) jkkilkgml These products can be used for the beams which wavelengths are in before coating. Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. Outline Drawing (in mm), :7 Data Compatible Optic Mounts 30-ARS / SPH-30-ARS W international@sigma-koki.com TE FAX B087
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