JPH0457731U - - Google Patents

Info

Publication number

JPH0457731U

JPH0457731U JP10073990U JP10073990U JPH0457731U JP H0457731 U JPH0457731 U JP H0457731U JP 10073990 U JP10073990 U JP 10073990U JP 10073990 U JP10073990 U JP 10073990U JP H0457731 U JPH0457731 U JP H0457731U

Authority

JP

Japan

Prior art keywords

light

receiving element

optical power

power meter

sensor head

Prior art date

1990-09-26

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 230000003287 optical effect Effects 0.000 claims description 3
• 238000010586 diagram Methods 0.000 description 4
• 229910052732 germanium Inorganic materials 0.000 description 1
• GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
• 238000005259 measurement Methods 0.000 description 1
• 230000035945 sensitivity Effects 0.000 description 1
• 229910052710 silicon Inorganic materials 0.000 description 1
• 239000010703 silicon Substances 0.000 description 1