AdValue Photonics AP-ML1 사용자 설명서 - 페이지 4

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Potentially hazardous radiation can also be transmitted through some reflective optical

components such as mirrors (for example, infrared radiation passing through a reflector

of visible radiation).

Eye Protection:

Protective eyewear should be comfortable to wear, provide as wide a field of view as

possible, maintain a close fit while still providing adequate ventilation to avoid problems

in misting up and provide adequate visual transmittance. Care should be taken to avoid,

as far as is possible, the use of flat reflecting surfaces which might cause hazardous

specular reflections. It is important that the frame and any side-pieces should give

equivalent protection to that afforded by the lens(es).

The following should be considered when specifying suitable protective eyewear.

a. Wavelength of operation;

b. Radiant exposure or irradiance;

c. Maximum permissible exposure (MPE);

d. Optical density of eyewear at laser output wavelength;

e. Visible light transmission requirements;

f. Radiant exposure or irradiance at which damage to eyewear occurs;

g. Need for prescription glasses;

h. Comfort and ventilation;

i. Degradation or modification of absorbing media, even if temporary or transient;

j. Strength of materials (resistance to shock);

k. Peripheral vision requirements;

l. Any relevant national regulations.

Exceptions to this are:

a. When engineering and administrative controls are such as to eliminate potential

exposure in excess of the applicable MPE;

b. When, due to the unusual operating requirements, the use of eye protection is not

practicable. Such operating procedures should only be undertaken with the

approval of the laser safety officer.

Protective Clothing:

Where personnel may be exposed to levels of radiation that exceed the MPE for the skin,

suitable clothing should be provided. Class 4 lasers especially are a potential fire hazard

and protective clothing worn should be made from a suitable flame and heat resisting

material.

Medical Supervision:

In the absence of national regulations, the following recommendations should be taken

into consideration:

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