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GB/T 22061-2008 English PDF

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GB/T 22061-2008: Microscopes -- Reference system of polarized light microscopy
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PDF similar to GB/T 22061-2008


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Basic data

Standard ID GB/T 22061-2008 (GB/T22061-2008)
Description (Translated English) Microscopes -- Reference system of polarized light microscopy
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N32
Classification of International Standard 37.020
Word Count Estimation 8,876
Date of Issue 2008-06-20
Date of Implementation 2009-01-01
Adopted Standard ISO 8576-1996, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the microscope and its annex on all rotating and moving the adjusting mechanism reference system, in order to measure the process of consensus. This standard focuses on the polarization parameters and test accessories, such as a microscope rotating stage, polarizing element and compensators.

GB/T 22061-2008: Microscopes -- Reference system of polarized light microscopy

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Microscopes. Reference system of polarized light microscopy ICS 37.020 N32 National Standards of People's Republic of China GB/T 22061-2008/ISO 8576.1996 Polarizing microscope microscopy reference system (ISO 8576.1996, IDT) Posted 2008-06-20 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 8576.1996 "polarizing microscope microscopy reference system" (in English). This standard is equivalent translation ISO 8576.1996. For ease of use, this standard also made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- Delete international standards foreword. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee photon science and optics (SAC/TC103) centralized. This standard is drafted by. Shanghai Polytechnic University, Shanghai Institute of Optics instruments. Participated in the drafting of this standard. Nanjing Jiangnan Yong new Optical Co., Ltd., Guangzhou, Guangdong significantly Optical Instrument Co., Ltd., Ningbo Huaguang fine Dense Instrument Co., Ltd., Zhejiang Jiang Shunyu Group Co., Ltd., Wuzhou Oka optical instrument company, Ningbo Yongxin Optics Co., Ltd., Mike Audi Industrial Group Co., Ltd. and Phoenix Optical Holdings Limited. The main drafters. Zhang Hui Yin, Hu Yu. This standard is the first release. GB/T 22061-2008/ISO 8576.1996 Polarizing microscope microscopy reference system

1 Scope

This standard specifies the microscope and all rotating and moving the adjustment mechanism of attachment on the reference system, in order to consistent measurement process. This standard focuses on the polarization parameters and test accessories, such as rotating stage microscope, polarizing element and compensator. Principle 2 Under pressure, temperature and wavelength constant, anisotropy, asymmetric and non-absorbing crystal optical properties, can be folded with a triaxial Reflectance ellipsoid described. The length of the axle ellipsoid shaped by the principal refractive index α crystal form β and γ given shape. After any of the refractive index ellipsoid and ellipsoidal Planar body centers are generally shaped shaft length α and γ-shaped oval. By definition, a relationship with each other. like α≤ like α≤ like β≤ like γ≤ like γ. All provisions in the polarization direction of observation is the reference direction of the highest refractive index-like γ. NOTE. To emphasize | like γ | > | shaped α |, subscript usually γ and α instead of γ 'and α'. Uniaxial refractive index ellipsoid is a spheroid, and provides shape and form ω ε for two spindles, which shape and form ω ε substituting Table ordinary ray and the direction of vibration is very light. The latter is a rotary axis direction, defined as follows. Shaped like α = β = γ = form ω ≠ shaped like ε (n), shaped like β = γ = ω ≠ shaped like shape α = ε (negative) That is. If ε-like shape is greater than ω, compared with a positive uniaxial crystal; on the contrary, is negative uniaxial crystal. 3 the direction of rotation and displacement of the reference system (see Figure 1) 3.1 General With a positive reference Cartesian coordinates X, Y, Z system as a basis for the viewer, its Z-axis orientation of the light from the light source Propagation direction, therefore, for vertical and inverted microscope, through the eyepieces, in a plane perpendicular to the Z-axis can be read counterclockwise The forward direction in the mathematical sense an increased angle u. Reference direction. east-west direction Figure 1 Mobile 3.2 feet (see Figure 2) Moving feet and placed on the microscope stage spin reproduced, the object can move in the X, Y coordinate direction. When the rotational stage in the microscope Zero, the positive X direction and the reference direction is consistent foot (u = 0 °). 3.3 microscope stage of the rotational position When the X-direction moving feet east-west direction, that is parallel to the direction from the vibration of light from the polarizer, rotating stage in the microscope Zero, polarizer vp = 0 ° (see 4.2). NOTE. If you play a basic non-polarizer direction east-west direction (u = 0 °) but the other direction, it must be marked on the microscope. GB/T 22061-2008/ISO 8576.1996

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