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rINSTCONTROL/@MyPm/MyPm.m
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MyPm.m
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% Class for Thorlabs PM100D powermeters
classdef MyPm < MyScpiInstrument
%% Constructor and destructor
methods (Access=public)
function this=MyPm(interface, address, varargin)
this@MyScpiInstrument(interface, address, varargin{:});
this.Device.Timeout=1; % reading from powermeter is quick
end
%% Low-level functions for reading and writing textual data to the device
% Appantly, this device sometimemes fails if it receives very long
% commands, so query them one by one
function writeCommand(this, varargin)
% Send commands to device one by one
for i=1:length(varargin)
cmd_str=varargin{i};
fprintf(this.Device, cmd_str);
end
end
% Query commands and return resut as cell array of strings
function res_list=queryCommand(this, varargin)
% Send commands to device one by one
ncmd=length(varargin);
res_list=cell(1,ncmd);
for i=1:ncmd
cmd_str=varargin{i};
res_list{i}=query(this.Device, cmd_str);
end
end
end
%% Protected functions
methods (Access=protected)
function createCommandList(this)
% Sensor name and info
addCommand(this, 'sensor',':SYSTem:SENSor:IDN',...
'fmt_spec','%s',...
'default','',...
'access','r');
addCommand(this, 'average_no',':SENSe:AVERage:COUNt',...
'fmt_spec','%i',...
'default',1,...
'info','Number of averages, 1 sample takes approx. 3ms');
addCommand(this, 'wl', ':SENSe:CORRection:WAVelength',...
'fmt_spec','%e',...
'default',700,...
'info','Operation wavelength (nm)')
addCommand(this, 'auto_pow_rng', ':SENSe:POWer:DC:RANGe:AUTO',...
'fmt_spec','%b',...
'default',true,...
'info','Auto power range')
addCommand(this, 'power_unit', ':SENSe:POWer:DC:UNIT',...
'fmt_spec','%s',...
'default','W',...
'val_list',{'W', 'DBM'})
addCommand(this, 'power', ':MEASure:POWer',...
'default',0,...
'fmt_spec','%e','access','r')
end
end
end
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