?��r|K/�R�����V�f*>�m�j[M���B�p All Phillips Safety laser glasses meet or exceed the requirements of ANSI Z136.1. 0000002027 00000 n trailer << /Size 50 /Info 2 0 R /Root 4 0 R /Prev 35903 /ID[<03e208a62f7077d24cd7c8414b188079><03e208a62f7077d24cd7c8414b188079>] >> startxref 0 %%EOF 4 0 obj << /Type /Catalog /Pages 1 0 R >> endobj 48 0 obj << /S 36 /Filter /FlateDecode /Length 49 0 R >> stream 0000014514 00000 n Usually power density is expressed in terms of W/cm2.
This convenient online tool will calculate what optical density is recommended for use with a laser system of a given power. 0000009172 00000 n 0000006092 00000 n This convenient online tool will calculate what optical density is recommended for use with a laser system of a given power. 0000003389 00000 n For more information 0000001539 00000 n
0000013811 00000 n Pulsed laser : Pulse Energy (Joules) = Average Power (Watts) / Repetition Rate (Hertz) Let’s put some real values in there and assume that you are working with a laser that has a fixed 200 W output and a repetition rate that can be tuned from 20 Hz to 1 kHz. Laser-Induced Damage Threshold (LIDT) is frequently expressed in units of laser peak fluence or laser peak power density. Let us take a closer look how it is evaluated. 0000003695 00000 n The last parameter you will need to check is what laser power density hits your sensor. 0000004084 00000 n All other rights reserved. 0000035624 00000 n 0000007071 00000 n 0000014981 00000 n 0000004827 00000 n 0000013832 00000 n 0000014535 00000 n Laser fluence describes the energy delivered per unit (or effective) area. 0000007741 00000 n Laser power and laser power density. Select the column corresponding to the wavelength range of your laser, either 180-315nm, >315-1400nm or >1400-10000nm.
0000003883 00000 n 00��0��� 0000008439 00000 n This site is home to The Evaluator – LIA's Web-based Laser Safety Hazard Analysis System. 0000004063 00000 n 0000009906 00000 n 0000001284 00000 n ���ji�gΎ��cȐt�Imx�x��x��ޮE��^���뺐��4NH�����T>C�/:A�Ԟ�gv��B�K^V±��N�LIi)����}�e�$�x��E�*Ӏ�7L�jq,`�>a@�1U�:�_l�ywp��-�nO�y�P�^��(�j���W[�B�E��uyiل*5{�%�j6�^�!Es�8�zM�e�OWl:����fR!���}s��х��l�Q��R e��l��Gwж��������kр��'�1Ҹ��)F^Z }^����n�{��,*X������q��sk��A�Rю��A��A��Y����CqF��:��8D��υc��˻���U6�������fk���/��H��" Power Meters & Detectors Calculating Power Density – A Shortcut It is often necessary to calculate the power density (Power/Area) of a laser beam (for example, when trying to determine whether a beam will damage an optic or detector). %PDF-1.2 %���� 0000012338 00000 n 0000013239 00000 n 0000008460 00000 n 3 0 obj << /Linearized 1 /O 5 /H [ 1337 223 ] /L 36089 /E 35766 /N 1 /T 35912 >> endobj xref 3 47 0000000016 00000 n Laser Power Density Calculator Sometimes its very important to check the power density of a laser beam when you use it on your projects or at work because the difference in power density of laser can actually damage the optic lens. Disclaimer: All information and material posted on this Website are subject to copyrights owned by the Laser Institute of America (LIA). We give free consultations and Optical Density calculations. 0000005016 00000 n 0000006113 00000 n 0000007259 00000 n 0000007459 00000 n For example, a Gentec-EO laser power meter can be used to measure average power.
For pulsed lasers in the range of µsec to nsec, the energy density varies as a function of the square root of the time domain. Now calculate the power density of the beam by dividing the power by the area of the beam. This site is home to The Evaluator – LIA's Web-based Laser Safety Hazard Analysis System. 0000001764 00000 n 0000009151 00000 n H�b``�e``�d ��8l�J �630�2�1��W(t��~�k���r��- +X�90pq*�9X2�``���������� j ���p_�v This system provides a reliable way to easily double-check laser safety calculations. 0000001337 00000 n Please note that this calculator is only valid for far-field calculations. 0000005385 00000 n 0000012985 00000 n Pasternack's Power Density Calculator is designed to give the power density, in Watts per square meter, at a given distance, output power and antenna gain. 0000013449 00000 n 0000007762 00000 n 0000024257 00000 n
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