Pioneering the door to the futurewith commitment to technology

Calculated Type<TWF-2>
Double Crystal and Multilayer Monochromator

FeaturesCalculated type DCMM
with crystal & multilayer.
Pairs of crystal andmultilayer are placed intandem to X-ray beam.
Crystal or multilayer
have same beam offset,15mm upward.

< Crystal holder with Si and multilayer ><General View >2nd Crystal &Multilayer
Alignment stages

ComptonShields

2nd Crystal &Multilayer

1st Crystal &Multilayer

1st Crystal &Multilayer
Alignment stages

LN2 Flex.
TubeSpecifications

Long 2nd crystal &multilayer are mounted
instead of using thetranslation stage to beam
direction.
Consists of :1. Crystal cooling system
2. 1st. & 2nd. crystalalignment stages
3. Main axis goniometer
4. Direct beam stopper
5. Supporting structure
6. Vacuum chamber
7. Controllers for motors

LN2 both crystal &multilayer cooling
Granite support tablefor better beam stability

ModelTWF-2

The first crystalalignment stages

Main θ Height

1350 mm

Z1 : -3 ～ +10 mm
χ1 : ± 1 degree

Beam Offset

15 mm upward for both Si and Multilayer

Bragg Angle Range

Si: 4 – 31 deg, Multilayer: 0.9 – 2.4 deg

Main θ Rotation Center

Center of the 1st crystal and multilayer surface

Crystal Parallelism

10 arcsec (for full stroke)2 arcsec (at any 3 degree )Vacuum Pressure

4.00 x 10E-5 Pa

Crystal Size : Si(111)50 x 38 x 30, 120 x 38 x 30 (L x W x T : mm)

Multilayer Size : Mo/B4C

170 x 50 x 30, 210 x 50 x 30 (L x W x T : mm)

Dimension

1030 x 1080 x 1825 (L x W x H : mm)

Date of issue: 2020/March/30

The second crystalalignment stages
Z2 : +10 ～ -2.5 mm
θ2 : ±0.5 degree (Coarse): 0 ～ 23 arcsec(Fine motion by PZT)

Kohzu Precision Co.,Ltd.
Tel: +81-44-981-2131
Fax: +81-44-981-2181
Email:sale@kohzu.co.jp
URL://www.kohzuprecision.com

Pioneering the door to the futurewith commitment to technology

Calculated type DCMM <TWF-2>
ALL MEASUREMENT is NOT with FEEDBACK

Data (Accuracy for main θ) <TWF-2>
5.0
4.0

Calculated type DCMM
with crystal & multilayer.
Pairs of crystal andmultilayer are placed intandem to X-ray beam.

3.0
2.0
1.00.0-1.0 -1Features13579

11 13 15 17 19 21 23 25 27 29 31 33 35

-2.0
-3.0
-4.0

3.5 arcsec (one direction)-5.0
Take1 cｗ Error
Take2 cｗ Error
Take3 cｗ Error

Take1 ccｗ Error
Take2 ccｗ Error
Take3 ccｗ Error

Data (Parallelism : Pitch) <TWF-2>

8 arcsec (pitch)

Take1 ccｗ-cｗ Error
Take2 ccｗ-cｗ Error
Take3 ccｗ-cｗ Error

Crystal or multilayer
can have same beam
offset, 15mm upward.
Long 2nd crystal &multilayer are mounted
instead of using thetranslation stage to beamdirection.
Consists of :1. Crystal cooling system
2. 1st. & 2nd. crystalalignment stages
3. Main axis goniometer
4. Direct beam stopper
5. Supporting structure
6. Vacuum chamber
7. Controllers for motors

LN2 both crystal &multilayer cooling
Granite support tablefor better beam stability
The first crystalalignment stages

Data (Parallelism : Roll) <TWF-2>
1 arcsec (roll)

Z1 : -3 ～ +10 mm
χ1 : ± 1 degree

The second crystalalignment stages
Z2 : +10 ～ -2.5 mm
θ2 : ±0.5 degree (Coarse): 0 ～ 23 arcsec(Fine motion by PZT)

Kohzu Precision Co.,Ltd.

Date of issue: 2020/March/30

Tel: +81-44-981-2131
Fax: +81-44-981-2181
Email:sale@kohzu.co.jp
URL://www.kohzuprecision.com